Home / 31,398.86-47,058.17-14,722.11

Finding the Fourth Proportional to 31,398.86, 47,058.17 and 14,722.11

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Solution

The fourth proportional to 31,398.86, 47,058.17 and 14,722.11 is: 22,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.86 : 47,058.17 = 14,722.11 : x
  2. Step 2: Convert to fraction form
    31,398.86/47,058.17 = 14,722.11/x
  3. Step 3: Cross multiply
    31,398.86x = 47,058.17 × 14,722.11
  4. Step 4: Simplify right side
    31,398.86x = 692,795,481.53
  5. Step 5: Solve for x
    x = 692,795,481.53/31,398.86
  6. Step 6: Final answer
    x = 22,064.35

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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.