Home / 31,388.30-47,042.38-14,711.59

Finding the Fourth Proportional to 31,388.30, 47,042.38 and 14,711.59

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Solution

The fourth proportional to 31,388.30, 47,042.38 and 14,711.59 is: 22,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.30 : 47,042.38 = 14,711.59 : x
  2. Step 2: Convert to fraction form
    31,388.30/47,042.38 = 14,711.59/x
  3. Step 3: Cross multiply
    31,388.30x = 47,042.38 × 14,711.59
  4. Step 4: Simplify right side
    31,388.30x = 692,068,207.18
  5. Step 5: Solve for x
    x = 692,068,207.18/31,388.30
  6. Step 6: Final answer
    x = 22,048.60

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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.