Home / 72,331.93-108,505.07-30,225.17

Finding the Fourth Proportional to 72,331.93, 108,505.07 and 30,225.17

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Solution

The fourth proportional to 72,331.93, 108,505.07 and 30,225.17 is: 45,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,331.93 : 108,505.07 = 30,225.17 : x
  2. Step 2: Convert to fraction form
    72,331.93/108,505.07 = 30,225.17/x
  3. Step 3: Cross multiply
    72,331.93x = 108,505.07 × 30,225.17
  4. Step 4: Simplify right side
    72,331.93x = 3,279,584,533.44
  5. Step 5: Solve for x
    x = 3,279,584,533.44/72,331.93
  6. Step 6: Final answer
    x = 45,340.76

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1.5x scale

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.