Home / 42,542.74-63,823.62-12,962.89

Finding the Fourth Proportional to 42,542.74, 63,823.62 and 12,962.89

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Solution

The fourth proportional to 42,542.74, 63,823.62 and 12,962.89 is: 19,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.74 : 63,823.62 = 12,962.89 : x
  2. Step 2: Convert to fraction form
    42,542.74/63,823.62 = 12,962.89/x
  3. Step 3: Cross multiply
    42,542.74x = 63,823.62 × 12,962.89
  4. Step 4: Simplify right side
    42,542.74x = 827,338,246.34
  5. Step 5: Solve for x
    x = 827,338,246.34/42,542.74
  6. Step 6: Final answer
    x = 19,447.23

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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.