Home / 42,468.89-63,700.08-12,886.88

Finding the Fourth Proportional to 42,468.89, 63,700.08 and 12,886.88

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Solution

The fourth proportional to 42,468.89, 63,700.08 and 12,886.88 is: 19,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,468.89 : 63,700.08 = 12,886.88 : x
  2. Step 2: Convert to fraction form
    42,468.89/63,700.08 = 12,886.88/x
  3. Step 3: Cross multiply
    42,468.89x = 63,700.08 × 12,886.88
  4. Step 4: Simplify right side
    42,468.89x = 820,895,286.95
  5. Step 5: Solve for x
    x = 820,895,286.95/42,468.89
  6. Step 6: Final answer
    x = 19,329.33

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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.