Home / 47,922-66,129.68-26,411.04

Finding the Fourth Proportional to 47,922, 66,129.68 and 26,411.04

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Solution

The fourth proportional to 47,922, 66,129.68 and 26,411.04 is: 36,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,922 : 66,129.68 = 26,411.04 : x
  2. Step 2: Convert to fraction form
    47,922/66,129.68 = 26,411.04/x
  3. Step 3: Cross multiply
    47,922x = 66,129.68 × 26,411.04
  4. Step 4: Simplify right side
    47,922x = 1,746,553,623.67
  5. Step 5: Solve for x
    x = 1,746,553,623.67/47,922
  6. Step 6: Final answer
    x = 36,445.76

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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.