Home / 42,623.40-63,935.10-36,281.10

Finding the Fourth Proportional to 42,623.40, 63,935.10 and 36,281.10

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Solution

The fourth proportional to 42,623.40, 63,935.10 and 36,281.10 is: 54,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,623.40 : 63,935.10 = 36,281.10 : x
  2. Step 2: Convert to fraction form
    42,623.40/63,935.10 = 36,281.10/x
  3. Step 3: Cross multiply
    42,623.40x = 63,935.10 × 36,281.10
  4. Step 4: Simplify right side
    42,623.40x = 2,319,635,756.61
  5. Step 5: Solve for x
    x = 2,319,635,756.61/42,623.40
  6. Step 6: Final answer
    x = 54,421.65

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Similar ratio
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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.