Home / 37,711.87-56,580.10-17,987.86

Finding the Fourth Proportional to 37,711.87, 56,580.10 and 17,987.86

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Solution

The fourth proportional to 37,711.87, 56,580.10 and 17,987.86 is: 26,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,711.87 : 56,580.10 = 17,987.86 : x
  2. Step 2: Convert to fraction form
    37,711.87/56,580.10 = 17,987.86/x
  3. Step 3: Cross multiply
    37,711.87x = 56,580.10 × 17,987.86
  4. Step 4: Simplify right side
    37,711.87x = 1,017,754,917.59
  5. Step 5: Solve for x
    x = 1,017,754,917.59/37,711.87
  6. Step 6: Final answer
    x = 26,987.65

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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.