Home / 42,410.76-63,920.97-36,558.28

Finding the Fourth Proportional to 42,410.76, 63,920.97 and 36,558.28

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Solution

The fourth proportional to 42,410.76, 63,920.97 and 36,558.28 is: 55,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,410.76 : 63,920.97 = 36,558.28 : x
  2. Step 2: Convert to fraction form
    42,410.76/63,920.97 = 36,558.28/x
  3. Step 3: Cross multiply
    42,410.76x = 63,920.97 × 36,558.28
  4. Step 4: Simplify right side
    42,410.76x = 2,336,840,719.13
  5. Step 5: Solve for x
    x = 2,336,840,719.13/42,410.76
  6. Step 6: Final answer
    x = 55,100.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.