Home / 52,414.40-72,327.12-31,190.24

Finding the Fourth Proportional to 52,414.40, 72,327.12 and 31,190.24

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Solution

The fourth proportional to 52,414.40, 72,327.12 and 31,190.24 is: 43,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,414.40 : 72,327.12 = 31,190.24 : x
  2. Step 2: Convert to fraction form
    52,414.40/72,327.12 = 31,190.24/x
  3. Step 3: Cross multiply
    52,414.40x = 72,327.12 × 31,190.24
  4. Step 4: Simplify right side
    52,414.40x = 2,255,900,231.31
  5. Step 5: Solve for x
    x = 2,255,900,231.31/52,414.40
  6. Step 6: Final answer
    x = 43,039.70

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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.