Home / 42,440.25-63,914.28-38,656.92

Finding the Fourth Proportional to 42,440.25, 63,914.28 and 38,656.92

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Solution

The fourth proportional to 42,440.25, 63,914.28 and 38,656.92 is: 58,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,440.25 : 63,914.28 = 38,656.92 : x
  2. Step 2: Convert to fraction form
    42,440.25/63,914.28 = 38,656.92/x
  3. Step 3: Cross multiply
    42,440.25x = 63,914.28 × 38,656.92
  4. Step 4: Simplify right side
    42,440.25x = 2,470,729,208.82
  5. Step 5: Solve for x
    x = 2,470,729,208.82/42,440.25
  6. Step 6: Final answer
    x = 58,216.65

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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.