Home / 66,329.28-91,535.67-39,475.35

Finding the Fourth Proportional to 66,329.28, 91,535.67 and 39,475.35

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Solution

The fourth proportional to 66,329.28, 91,535.67 and 39,475.35 is: 54,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,329.28 : 91,535.67 = 39,475.35 : x
  2. Step 2: Convert to fraction form
    66,329.28/91,535.67 = 39,475.35/x
  3. Step 3: Cross multiply
    66,329.28x = 91,535.67 × 39,475.35
  4. Step 4: Simplify right side
    66,329.28x = 3,613,402,610.73
  5. Step 5: Solve for x
    x = 3,613,402,610.73/66,329.28
  6. Step 6: Final answer
    x = 54,476.74

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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.