Home / 42,473.04-63,711.99-12,891.84

Finding the Fourth Proportional to 42,473.04, 63,711.99 and 12,891.84

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Solution

The fourth proportional to 42,473.04, 63,711.99 and 12,891.84 is: 19,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,473.04 : 63,711.99 = 12,891.84 : x
  2. Step 2: Convert to fraction form
    42,473.04/63,711.99 = 12,891.84/x
  3. Step 3: Cross multiply
    42,473.04x = 63,711.99 × 12,891.84
  4. Step 4: Simplify right side
    42,473.04x = 821,364,781.16
  5. Step 5: Solve for x
    x = 821,364,781.16/42,473.04
  6. Step 6: Final answer
    x = 19,338.50

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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.