Home / 42,397.66-63,597.85-21,326.20

Finding the Fourth Proportional to 42,397.66, 63,597.85 and 21,326.20

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Solution

The fourth proportional to 42,397.66, 63,597.85 and 21,326.20 is: 31,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,397.66 : 63,597.85 = 21,326.20 : x
  2. Step 2: Convert to fraction form
    42,397.66/63,597.85 = 21,326.20/x
  3. Step 3: Cross multiply
    42,397.66x = 63,597.85 × 21,326.20
  4. Step 4: Simplify right side
    42,397.66x = 1,356,300,468.67
  5. Step 5: Solve for x
    x = 1,356,300,468.67/42,397.66
  6. Step 6: Final answer
    x = 31,989.98

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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.