Home / 31,388.27-47,042.37-14,711.51

Finding the Fourth Proportional to 31,388.27, 47,042.37 and 14,711.51

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Solution

The fourth proportional to 31,388.27, 47,042.37 and 14,711.51 is: 22,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.27 : 47,042.37 = 14,711.51 : x
  2. Step 2: Convert to fraction form
    31,388.27/47,042.37 = 14,711.51/x
  3. Step 3: Cross multiply
    31,388.27x = 47,042.37 × 14,711.51
  4. Step 4: Simplify right side
    31,388.27x = 692,064,414.28
  5. Step 5: Solve for x
    x = 692,064,414.28/31,388.27
  6. Step 6: Final answer
    x = 22,048.51

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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.