Home / 74,373.39-102,635.98-40,382.24

Finding the Fourth Proportional to 74,373.39, 102,635.98 and 40,382.24

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Solution

The fourth proportional to 74,373.39, 102,635.98 and 40,382.24 is: 55,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,373.39 : 102,635.98 = 40,382.24 : x
  2. Step 2: Convert to fraction form
    74,373.39/102,635.98 = 40,382.24/x
  3. Step 3: Cross multiply
    74,373.39x = 102,635.98 × 40,382.24
  4. Step 4: Simplify right side
    74,373.39x = 4,144,670,162.86
  5. Step 5: Solve for x
    x = 4,144,670,162.86/74,373.39
  6. Step 6: Final answer
    x = 55,727.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.