Home / 37,516.08-51,770.16-20,748

Finding the Fourth Proportional to 37,516.08, 51,770.16 and 20,748

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Solution

The fourth proportional to 37,516.08, 51,770.16 and 20,748 is: 28,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,516.08 : 51,770.16 = 20,748 : x
  2. Step 2: Convert to fraction form
    37,516.08/51,770.16 = 20,748/x
  3. Step 3: Cross multiply
    37,516.08x = 51,770.16 × 20,748
  4. Step 4: Simplify right side
    37,516.08x = 1,074,127,279.68
  5. Step 5: Solve for x
    x = 1,074,127,279.68/37,516.08
  6. Step 6: Final answer
    x = 28,631.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.