Home / 37,932.48-56,938.80-21,306.72

Finding the Fourth Proportional to 37,932.48, 56,938.80 and 21,306.72

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Solution

The fourth proportional to 37,932.48, 56,938.80 and 21,306.72 is: 31,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,932.48 : 56,938.80 = 21,306.72 : x
  2. Step 2: Convert to fraction form
    37,932.48/56,938.80 = 21,306.72/x
  3. Step 3: Cross multiply
    37,932.48x = 56,938.80 × 21,306.72
  4. Step 4: Simplify right side
    37,932.48x = 1,213,179,068.74
  5. Step 5: Solve for x
    x = 1,213,179,068.74/37,932.48
  6. Step 6: Final answer
    x = 31,982.59

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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.