Home / 50,642.18-69,885.79-27,981.10

Finding the Fourth Proportional to 50,642.18, 69,885.79 and 27,981.10

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Solution

The fourth proportional to 50,642.18, 69,885.79 and 27,981.10 is: 38,613.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,642.18 : 69,885.79 = 27,981.10 : x
  2. Step 2: Convert to fraction form
    50,642.18/69,885.79 = 27,981.10/x
  3. Step 3: Cross multiply
    50,642.18x = 69,885.79 × 27,981.10
  4. Step 4: Simplify right side
    50,642.18x = 1,955,481,278.57
  5. Step 5: Solve for x
    x = 1,955,481,278.57/50,642.18
  6. Step 6: Final answer
    x = 38,613.69

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1.5x scale

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.