Home / 40,323.36-60,422.76-21,605.88

Finding the Fourth Proportional to 40,323.36, 60,422.76 and 21,605.88

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Solution

The fourth proportional to 40,323.36, 60,422.76 and 21,605.88 is: 32,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,323.36 : 60,422.76 = 21,605.88 : x
  2. Step 2: Convert to fraction form
    40,323.36/60,422.76 = 21,605.88/x
  3. Step 3: Cross multiply
    40,323.36x = 60,422.76 × 21,605.88
  4. Step 4: Simplify right side
    40,323.36x = 1,305,486,901.83
  5. Step 5: Solve for x
    x = 1,305,486,901.83/40,323.36
  6. Step 6: Final answer
    x = 32,375.45

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1.5x scale

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.