Home / 22,540.14-31,077.05-14,459.49

Finding the Fourth Proportional to 22,540.14, 31,077.05 and 14,459.49

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Solution

The fourth proportional to 22,540.14, 31,077.05 and 14,459.49 is: 19,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,540.14 : 31,077.05 = 14,459.49 : x
  2. Step 2: Convert to fraction form
    22,540.14/31,077.05 = 14,459.49/x
  3. Step 3: Cross multiply
    22,540.14x = 31,077.05 × 14,459.49
  4. Step 4: Simplify right side
    22,540.14x = 449,358,221.41
  5. Step 5: Solve for x
    x = 449,358,221.41/22,540.14
  6. Step 6: Final answer
    x = 19,935.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.