Home / 32,765.76-45,216.70-18,618.60

Finding the Fourth Proportional to 32,765.76, 45,216.70 and 18,618.60

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Solution

The fourth proportional to 32,765.76, 45,216.70 and 18,618.60 is: 25,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,765.76 : 45,216.70 = 18,618.60 : x
  2. Step 2: Convert to fraction form
    32,765.76/45,216.70 = 18,618.60/x
  3. Step 3: Cross multiply
    32,765.76x = 45,216.70 × 18,618.60
  4. Step 4: Simplify right side
    32,765.76x = 841,871,650.62
  5. Step 5: Solve for x
    x = 841,871,650.62/32,765.76
  6. Step 6: Final answer
    x = 25,693.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.