Home / 52,738.32-79,108.29-21,151.17

Finding the Fourth Proportional to 52,738.32, 79,108.29 and 21,151.17

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Solution

The fourth proportional to 52,738.32, 79,108.29 and 21,151.17 is: 31,727.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,738.32 : 79,108.29 = 21,151.17 : x
  2. Step 2: Convert to fraction form
    52,738.32/79,108.29 = 21,151.17/x
  3. Step 3: Cross multiply
    52,738.32x = 79,108.29 × 21,151.17
  4. Step 4: Simplify right side
    52,738.32x = 1,673,232,890.20
  5. Step 5: Solve for x
    x = 1,673,232,890.20/52,738.32
  6. Step 6: Final answer
    x = 31,727.08

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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.