Home / 42,134.04-63,212.88-18,443.66

Finding the Fourth Proportional to 42,134.04, 63,212.88 and 18,443.66

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Solution

The fourth proportional to 42,134.04, 63,212.88 and 18,443.66 is: 27,670.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,134.04 : 63,212.88 = 18,443.66 : x
  2. Step 2: Convert to fraction form
    42,134.04/63,212.88 = 18,443.66/x
  3. Step 3: Cross multiply
    42,134.04x = 63,212.88 × 18,443.66
  4. Step 4: Simplify right side
    42,134.04x = 1,165,876,866.34
  5. Step 5: Solve for x
    x = 1,165,876,866.34/42,134.04
  6. Step 6: Final answer
    x = 27,670.66

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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.