Home / 42,171.36-58,223.40-26,279.12

Finding the Fourth Proportional to 42,171.36, 58,223.40 and 26,279.12

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Solution

The fourth proportional to 42,171.36, 58,223.40 and 26,279.12 is: 36,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,171.36 : 58,223.40 = 26,279.12 : x
  2. Step 2: Convert to fraction form
    42,171.36/58,223.40 = 26,279.12/x
  3. Step 3: Cross multiply
    42,171.36x = 58,223.40 × 26,279.12
  4. Step 4: Simplify right side
    42,171.36x = 1,530,059,715.41
  5. Step 5: Solve for x
    x = 1,530,059,715.41/42,171.36
  6. Step 6: Final answer
    x = 36,281.96

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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.