Home / 40,314.48-55,635.89-22,409.79

Finding the Fourth Proportional to 40,314.48, 55,635.89 and 22,409.79

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Solution

The fourth proportional to 40,314.48, 55,635.89 and 22,409.79 is: 30,926.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,314.48 : 55,635.89 = 22,409.79 : x
  2. Step 2: Convert to fraction form
    40,314.48/55,635.89 = 22,409.79/x
  3. Step 3: Cross multiply
    40,314.48x = 55,635.89 × 22,409.79
  4. Step 4: Simplify right side
    40,314.48x = 1,246,788,510.18
  5. Step 5: Solve for x
    x = 1,246,788,510.18/40,314.48
  6. Step 6: Final answer
    x = 30,926.56

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1.5x scale

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.