Home / 42,349.62-63,546.12-18,673.68

Finding the Fourth Proportional to 42,349.62, 63,546.12 and 18,673.68

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Solution

The fourth proportional to 42,349.62, 63,546.12 and 18,673.68 is: 28,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,349.62 : 63,546.12 = 18,673.68 : x
  2. Step 2: Convert to fraction form
    42,349.62/63,546.12 = 18,673.68/x
  3. Step 3: Cross multiply
    42,349.62x = 63,546.12 × 18,673.68
  4. Step 4: Simplify right side
    42,349.62x = 1,186,639,910.12
  5. Step 5: Solve for x
    x = 1,186,639,910.12/42,349.62
  6. Step 6: Final answer
    x = 28,020.08

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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.