Home / 66,020.52-91,074.42-43,356.24

Finding the Fourth Proportional to 66,020.52, 91,074.42 and 43,356.24

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Solution

The fourth proportional to 66,020.52, 91,074.42 and 43,356.24 is: 59,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,020.52 : 91,074.42 = 43,356.24 : x
  2. Step 2: Convert to fraction form
    66,020.52/91,074.42 = 43,356.24/x
  3. Step 3: Cross multiply
    66,020.52x = 91,074.42 × 43,356.24
  4. Step 4: Simplify right side
    66,020.52x = 3,948,644,411.38
  5. Step 5: Solve for x
    x = 3,948,644,411.38/66,020.52
  6. Step 6: Final answer
    x = 59,809.35

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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.