Home / 38,972.16-58,328.64-31,127.04

Finding the Fourth Proportional to 38,972.16, 58,328.64 and 31,127.04

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Solution

The fourth proportional to 38,972.16, 58,328.64 and 31,127.04 is: 46,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,972.16 : 58,328.64 = 31,127.04 : x
  2. Step 2: Convert to fraction form
    38,972.16/58,328.64 = 31,127.04/x
  3. Step 3: Cross multiply
    38,972.16x = 58,328.64 × 31,127.04
  4. Step 4: Simplify right side
    38,972.16x = 1,815,597,910.43
  5. Step 5: Solve for x
    x = 1,815,597,910.43/38,972.16
  6. Step 6: Final answer
    x = 46,587.05

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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.