Home / 31,929.30-47,902.23-15,302.16

Finding the Fourth Proportional to 31,929.30, 47,902.23 and 15,302.16

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Solution

The fourth proportional to 31,929.30, 47,902.23 and 15,302.16 is: 22,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,929.30 : 47,902.23 = 15,302.16 : x
  2. Step 2: Convert to fraction form
    31,929.30/47,902.23 = 15,302.16/x
  3. Step 3: Cross multiply
    31,929.30x = 47,902.23 × 15,302.16
  4. Step 4: Simplify right side
    31,929.30x = 733,007,587.82
  5. Step 5: Solve for x
    x = 733,007,587.82/31,929.30
  6. Step 6: Final answer
    x = 22,957.21

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1.5x scale

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.