Home / 40,291.29-60,416.04-21,326.20

Finding the Fourth Proportional to 40,291.29, 60,416.04 and 21,326.20

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Solution

The fourth proportional to 40,291.29, 60,416.04 and 21,326.20 is: 31,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,291.29 : 60,416.04 = 21,326.20 : x
  2. Step 2: Convert to fraction form
    40,291.29/60,416.04 = 21,326.20/x
  3. Step 3: Cross multiply
    40,291.29x = 60,416.04 × 21,326.20
  4. Step 4: Simplify right side
    40,291.29x = 1,288,444,552.25
  5. Step 5: Solve for x
    x = 1,288,444,552.25/40,291.29
  6. Step 6: Final answer
    x = 31,978.24

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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.