Home / 34,508.88-47,624-21,077.96

Finding the Fourth Proportional to 34,508.88, 47,624 and 21,077.96

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Solution

The fourth proportional to 34,508.88, 47,624 and 21,077.96 is: 29,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,508.88 : 47,624 = 21,077.96 : x
  2. Step 2: Convert to fraction form
    34,508.88/47,624 = 21,077.96/x
  3. Step 3: Cross multiply
    34,508.88x = 47,624 × 21,077.96
  4. Step 4: Simplify right side
    34,508.88x = 1,003,816,767.04
  5. Step 5: Solve for x
    x = 1,003,816,767.04/34,508.88
  6. Step 6: Final answer
    x = 29,088.65

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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.