Home / 37,681.76-56,532.52-11,387.20

Finding the Fourth Proportional to 37,681.76, 56,532.52 and 11,387.20

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Solution

The fourth proportional to 37,681.76, 56,532.52 and 11,387.20 is: 17,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,681.76 : 56,532.52 = 11,387.20 : x
  2. Step 2: Convert to fraction form
    37,681.76/56,532.52 = 11,387.20/x
  3. Step 3: Cross multiply
    37,681.76x = 56,532.52 × 11,387.20
  4. Step 4: Simplify right side
    37,681.76x = 643,747,111.74
  5. Step 5: Solve for x
    x = 643,747,111.74/37,681.76
  6. Step 6: Final answer
    x = 17,083.79

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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.