Home / 40,870-60,947.35-40,496.32

Finding the Fourth Proportional to 40,870, 60,947.35 and 40,496.32

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Solution

The fourth proportional to 40,870, 60,947.35 and 40,496.32 is: 60,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,870 : 60,947.35 = 40,496.32 : x
  2. Step 2: Convert to fraction form
    40,870/60,947.35 = 40,496.32/x
  3. Step 3: Cross multiply
    40,870x = 60,947.35 × 40,496.32
  4. Step 4: Simplify right side
    40,870x = 2,468,143,388.75
  5. Step 5: Solve for x
    x = 2,468,143,388.75/40,870
  6. Step 6: Final answer
    x = 60,390.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.