Home / 72,726.44-109,089.66-22,810.91

Finding the Fourth Proportional to 72,726.44, 109,089.66 and 22,810.91

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Solution

The fourth proportional to 72,726.44, 109,089.66 and 22,810.91 is: 34,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,726.44 : 109,089.66 = 22,810.91 : x
  2. Step 2: Convert to fraction form
    72,726.44/109,089.66 = 22,810.91/x
  3. Step 3: Cross multiply
    72,726.44x = 109,089.66 × 22,810.91
  4. Step 4: Simplify right side
    72,726.44x = 2,488,433,870.74
  5. Step 5: Solve for x
    x = 2,488,433,870.74/72,726.44
  6. Step 6: Final answer
    x = 34,216.36

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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.