Home / 62,403.04-86,174-40,086.24

Finding the Fourth Proportional to 62,403.04, 86,174 and 40,086.24

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Solution

The fourth proportional to 62,403.04, 86,174 and 40,086.24 is: 55,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,403.04 : 86,174 = 40,086.24 : x
  2. Step 2: Convert to fraction form
    62,403.04/86,174 = 40,086.24/x
  3. Step 3: Cross multiply
    62,403.04x = 86,174 × 40,086.24
  4. Step 4: Simplify right side
    62,403.04x = 3,454,391,645.76
  5. Step 5: Solve for x
    x = 3,454,391,645.76/62,403.04
  6. Step 6: Final answer
    x = 55,356.14

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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.