Home / 26,441.10-39,661.65-20,220.30

Finding the Fourth Proportional to 26,441.10, 39,661.65 and 20,220.30

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Solution

The fourth proportional to 26,441.10, 39,661.65 and 20,220.30 is: 30,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,441.10 : 39,661.65 = 20,220.30 : x
  2. Step 2: Convert to fraction form
    26,441.10/39,661.65 = 20,220.30/x
  3. Step 3: Cross multiply
    26,441.10x = 39,661.65 × 20,220.30
  4. Step 4: Simplify right side
    26,441.10x = 801,970,461.50
  5. Step 5: Solve for x
    x = 801,970,461.50/26,441.10
  6. Step 6: Final answer
    x = 30,330.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.