Home / 42,496.32-63,735.84-40,388.70

Finding the Fourth Proportional to 42,496.32, 63,735.84 and 40,388.70

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Solution

The fourth proportional to 42,496.32, 63,735.84 and 40,388.70 is: 60,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,496.32 : 63,735.84 = 40,388.70 : x
  2. Step 2: Convert to fraction form
    42,496.32/63,735.84 = 40,388.70/x
  3. Step 3: Cross multiply
    42,496.32x = 63,735.84 × 40,388.70
  4. Step 4: Simplify right side
    42,496.32x = 2,574,207,721.01
  5. Step 5: Solve for x
    x = 2,574,207,721.01/42,496.32
  6. Step 6: Final answer
    x = 60,574.84

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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.