Home / 74,377.08-111,498.18-26,981.15

Finding the Fourth Proportional to 74,377.08, 111,498.18 and 26,981.15

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Solution

The fourth proportional to 74,377.08, 111,498.18 and 26,981.15 is: 40,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,377.08 : 111,498.18 = 26,981.15 : x
  2. Step 2: Convert to fraction form
    74,377.08/111,498.18 = 26,981.15/x
  3. Step 3: Cross multiply
    74,377.08x = 111,498.18 × 26,981.15
  4. Step 4: Simplify right side
    74,377.08x = 3,008,348,561.82
  5. Step 5: Solve for x
    x = 3,008,348,561.82/74,377.08
  6. Step 6: Final answer
    x = 40,447.25

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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.