Home / 51,641.90-77,463.69-17,908.97

Finding the Fourth Proportional to 51,641.90, 77,463.69 and 17,908.97

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Solution

The fourth proportional to 51,641.90, 77,463.69 and 17,908.97 is: 26,863.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,641.90 : 77,463.69 = 17,908.97 : x
  2. Step 2: Convert to fraction form
    51,641.90/77,463.69 = 17,908.97/x
  3. Step 3: Cross multiply
    51,641.90x = 77,463.69 × 17,908.97
  4. Step 4: Simplify right side
    51,641.90x = 1,387,294,810.75
  5. Step 5: Solve for x
    x = 1,387,294,810.75/51,641.90
  6. Step 6: Final answer
    x = 26,863.75

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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.