Home / 38,868.40-58,251.40-34,465.20

Finding the Fourth Proportional to 38,868.40, 58,251.40 and 34,465.20

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Solution

The fourth proportional to 38,868.40, 58,251.40 and 34,465.20 is: 51,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,868.40 : 58,251.40 = 34,465.20 : x
  2. Step 2: Convert to fraction form
    38,868.40/58,251.40 = 34,465.20/x
  3. Step 3: Cross multiply
    38,868.40x = 58,251.40 × 34,465.20
  4. Step 4: Simplify right side
    38,868.40x = 2,007,646,151.28
  5. Step 5: Solve for x
    x = 2,007,646,151.28/38,868.40
  6. Step 6: Final answer
    x = 51,652.40

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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.