Home / 52,407.28-72,344.40-31,188.56

Finding the Fourth Proportional to 52,407.28, 72,344.40 and 31,188.56

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Solution

The fourth proportional to 52,407.28, 72,344.40 and 31,188.56 is: 43,053.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,407.28 : 72,344.40 = 31,188.56 : x
  2. Step 2: Convert to fraction form
    52,407.28/72,344.40 = 31,188.56/x
  3. Step 3: Cross multiply
    52,407.28x = 72,344.40 × 31,188.56
  4. Step 4: Simplify right side
    52,407.28x = 2,256,317,660.06
  5. Step 5: Solve for x
    x = 2,256,317,660.06/52,407.28
  6. Step 6: Final answer
    x = 43,053.52

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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.