Home / 52,127.42-71,934.09-30,894.08

Finding the Fourth Proportional to 52,127.42, 71,934.09 and 30,894.08

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Solution

The fourth proportional to 52,127.42, 71,934.09 and 30,894.08 is: 42,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,127.42 : 71,934.09 = 30,894.08 : x
  2. Step 2: Convert to fraction form
    52,127.42/71,934.09 = 30,894.08/x
  3. Step 3: Cross multiply
    52,127.42x = 71,934.09 × 30,894.08
  4. Step 4: Simplify right side
    52,127.42x = 2,222,337,531.19
  5. Step 5: Solve for x
    x = 2,222,337,531.19/52,127.42
  6. Step 6: Final answer
    x = 42,632.79

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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.