Home / 34,642.40-47,806.55-18,726.86

Finding the Fourth Proportional to 34,642.40, 47,806.55 and 18,726.86

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Solution

The fourth proportional to 34,642.40, 47,806.55 and 18,726.86 is: 25,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,642.40 : 47,806.55 = 18,726.86 : x
  2. Step 2: Convert to fraction form
    34,642.40/47,806.55 = 18,726.86/x
  3. Step 3: Cross multiply
    34,642.40x = 47,806.55 × 18,726.86
  4. Step 4: Simplify right side
    34,642.40x = 895,266,376.72
  5. Step 5: Solve for x
    x = 895,266,376.72/34,642.40
  6. Step 6: Final answer
    x = 25,843.08

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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.