Home / 72,373.36-108,591.02-30,263.28

Finding the Fourth Proportional to 72,373.36, 108,591.02 and 30,263.28

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Solution

The fourth proportional to 72,373.36, 108,591.02 and 30,263.28 is: 45,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,373.36 : 108,591.02 = 30,263.28 : x
  2. Step 2: Convert to fraction form
    72,373.36/108,591.02 = 30,263.28/x
  3. Step 3: Cross multiply
    72,373.36x = 108,591.02 × 30,263.28
  4. Step 4: Simplify right side
    72,373.36x = 3,286,320,405.92
  5. Step 5: Solve for x
    x = 3,286,320,405.92/72,373.36
  6. Step 6: Final answer
    x = 45,407.88

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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.