Home / 38,758.20-58,156.50-15,384.12

Finding the Fourth Proportional to 38,758.20, 58,156.50 and 15,384.12

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Solution

The fourth proportional to 38,758.20, 58,156.50 and 15,384.12 is: 23,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,758.20 : 58,156.50 = 15,384.12 : x
  2. Step 2: Convert to fraction form
    38,758.20/58,156.50 = 15,384.12/x
  3. Step 3: Cross multiply
    38,758.20x = 58,156.50 × 15,384.12
  4. Step 4: Simplify right side
    38,758.20x = 894,686,574.78
  5. Step 5: Solve for x
    x = 894,686,574.78/38,758.20
  6. Step 6: Final answer
    x = 23,083.80

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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.