Home / 29,154.40-43,753.47-20,719.87

Finding the Fourth Proportional to 29,154.40, 43,753.47 and 20,719.87

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Solution

The fourth proportional to 29,154.40, 43,753.47 and 20,719.87 is: 31,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154.40 : 43,753.47 = 20,719.87 : x
  2. Step 2: Convert to fraction form
    29,154.40/43,753.47 = 20,719.87/x
  3. Step 3: Cross multiply
    29,154.40x = 43,753.47 × 20,719.87
  4. Step 4: Simplify right side
    29,154.40x = 906,566,023.37
  5. Step 5: Solve for x
    x = 906,566,023.37/29,154.40
  6. Step 6: Final answer
    x = 31,095.34

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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.