Home / 31,665.42-47,521.49-15,025.41

Finding the Fourth Proportional to 31,665.42, 47,521.49 and 15,025.41

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Solution

The fourth proportional to 31,665.42, 47,521.49 and 15,025.41 is: 22,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665.42 : 47,521.49 = 15,025.41 : x
  2. Step 2: Convert to fraction form
    31,665.42/47,521.49 = 15,025.41/x
  3. Step 3: Cross multiply
    31,665.42x = 47,521.49 × 15,025.41
  4. Step 4: Simplify right side
    31,665.42x = 714,029,795.93
  5. Step 5: Solve for x
    x = 714,029,795.93/31,665.42
  6. Step 6: Final answer
    x = 22,549.20

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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.