Home / 40,332.56-60,505.04-20,600.40

Finding the Fourth Proportional to 40,332.56, 60,505.04 and 20,600.40

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Solution

The fourth proportional to 40,332.56, 60,505.04 and 20,600.40 is: 30,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,332.56 : 60,505.04 = 20,600.40 : x
  2. Step 2: Convert to fraction form
    40,332.56/60,505.04 = 20,600.40/x
  3. Step 3: Cross multiply
    40,332.56x = 60,505.04 × 20,600.40
  4. Step 4: Simplify right side
    40,332.56x = 1,246,428,026.02
  5. Step 5: Solve for x
    x = 1,246,428,026.02/40,332.56
  6. Step 6: Final answer
    x = 30,903.77

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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.