Home / 43,823.13-65,712.20-20,110.28

Finding the Fourth Proportional to 43,823.13, 65,712.20 and 20,110.28

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Solution

The fourth proportional to 43,823.13, 65,712.20 and 20,110.28 is: 30,155.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,823.13 : 65,712.20 = 20,110.28 : x
  2. Step 2: Convert to fraction form
    43,823.13/65,712.20 = 20,110.28/x
  3. Step 3: Cross multiply
    43,823.13x = 65,712.20 × 20,110.28
  4. Step 4: Simplify right side
    43,823.13x = 1,321,490,312.30
  5. Step 5: Solve for x
    x = 1,321,490,312.30/43,823.13
  6. Step 6: Final answer
    x = 30,155.09

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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.