Home / 29,145.60-43,718.40-27,007.20

Finding the Fourth Proportional to 29,145.60, 43,718.40 and 27,007.20

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Solution

The fourth proportional to 29,145.60, 43,718.40 and 27,007.20 is: 40,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.60 : 43,718.40 = 27,007.20 : x
  2. Step 2: Convert to fraction form
    29,145.60/43,718.40 = 27,007.20/x
  3. Step 3: Cross multiply
    29,145.60x = 43,718.40 × 27,007.20
  4. Step 4: Simplify right side
    29,145.60x = 1,180,711,572.48
  5. Step 5: Solve for x
    x = 1,180,711,572.48/29,145.60
  6. Step 6: Final answer
    x = 40,510.80

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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.