Home / 42,609.25-63,923.25-12,621.16

Finding the Fourth Proportional to 42,609.25, 63,923.25 and 12,621.16

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Solution

The fourth proportional to 42,609.25, 63,923.25 and 12,621.16 is: 18,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,609.25 : 63,923.25 = 12,621.16 : x
  2. Step 2: Convert to fraction form
    42,609.25/63,923.25 = 12,621.16/x
  3. Step 3: Cross multiply
    42,609.25x = 63,923.25 × 12,621.16
  4. Step 4: Simplify right side
    42,609.25x = 806,785,565.97
  5. Step 5: Solve for x
    x = 806,785,565.97/42,609.25
  6. Step 6: Final answer
    x = 18,934.52

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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.