Home / 38,931.87-58,401.63-10,468.47

Finding the Fourth Proportional to 38,931.87, 58,401.63 and 10,468.47

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Solution

The fourth proportional to 38,931.87, 58,401.63 and 10,468.47 is: 15,703.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,931.87 : 58,401.63 = 10,468.47 : x
  2. Step 2: Convert to fraction form
    38,931.87/58,401.63 = 10,468.47/x
  3. Step 3: Cross multiply
    38,931.87x = 58,401.63 × 10,468.47
  4. Step 4: Simplify right side
    38,931.87x = 611,375,711.61
  5. Step 5: Solve for x
    x = 611,375,711.61/38,931.87
  6. Step 6: Final answer
    x = 15,703.73

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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.