Home / 42,624.80-63,934.89-13,042.64

Finding the Fourth Proportional to 42,624.80, 63,934.89 and 13,042.64

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Solution

The fourth proportional to 42,624.80, 63,934.89 and 13,042.64 is: 19,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624.80 : 63,934.89 = 13,042.64 : x
  2. Step 2: Convert to fraction form
    42,624.80/63,934.89 = 13,042.64/x
  3. Step 3: Cross multiply
    42,624.80x = 63,934.89 × 13,042.64
  4. Step 4: Simplify right side
    42,624.80x = 833,879,753.71
  5. Step 5: Solve for x
    x = 833,879,753.71/42,624.80
  6. Step 6: Final answer
    x = 19,563.25

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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.