Home / 42,547.01-63,780.86-14,447.85

Finding the Fourth Proportional to 42,547.01, 63,780.86 and 14,447.85

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Solution

The fourth proportional to 42,547.01, 63,780.86 and 14,447.85 is: 21,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,547.01 : 63,780.86 = 14,447.85 : x
  2. Step 2: Convert to fraction form
    42,547.01/63,780.86 = 14,447.85/x
  3. Step 3: Cross multiply
    42,547.01x = 63,780.86 × 14,447.85
  4. Step 4: Simplify right side
    42,547.01x = 921,496,298.15
  5. Step 5: Solve for x
    x = 921,496,298.15/42,547.01
  6. Step 6: Final answer
    x = 21,658.31

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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.