Home / 82,409.55-123,614.33-29,806.74

Finding the Fourth Proportional to 82,409.55, 123,614.33 and 29,806.74

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Solution

The fourth proportional to 82,409.55, 123,614.33 and 29,806.74 is: 44,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,409.55 : 123,614.33 = 29,806.74 : x
  2. Step 2: Convert to fraction form
    82,409.55/123,614.33 = 29,806.74/x
  3. Step 3: Cross multiply
    82,409.55x = 123,614.33 × 29,806.74
  4. Step 4: Simplify right side
    82,409.55x = 3,684,540,045.55
  5. Step 5: Solve for x
    x = 3,684,540,045.55/82,409.55
  6. Step 6: Final answer
    x = 44,710.11

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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.