Home / 60,785.55-91,158.60-20,248.29

Finding the Fourth Proportional to 60,785.55, 91,158.60 and 20,248.29

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Solution

The fourth proportional to 60,785.55, 91,158.60 and 20,248.29 is: 30,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,785.55 : 91,158.60 = 20,248.29 : x
  2. Step 2: Convert to fraction form
    60,785.55/91,158.60 = 20,248.29/x
  3. Step 3: Cross multiply
    60,785.55x = 91,158.60 × 20,248.29
  4. Step 4: Simplify right side
    60,785.55x = 1,845,805,768.79
  5. Step 5: Solve for x
    x = 1,845,805,768.79/60,785.55
  6. Step 6: Final answer
    x = 30,365.86

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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.