Home / 42,184.58-63,294.33-18,479.88

Finding the Fourth Proportional to 42,184.58, 63,294.33 and 18,479.88

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Solution

The fourth proportional to 42,184.58, 63,294.33 and 18,479.88 is: 27,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,184.58 : 63,294.33 = 18,479.88 : x
  2. Step 2: Convert to fraction form
    42,184.58/63,294.33 = 18,479.88/x
  3. Step 3: Cross multiply
    42,184.58x = 63,294.33 × 18,479.88
  4. Step 4: Simplify right side
    42,184.58x = 1,169,671,623.08
  5. Step 5: Solve for x
    x = 1,169,671,623.08/42,184.58
  6. Step 6: Final answer
    x = 27,727.47

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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.