Home / 84,864.50-127,296.74-21,684.75

Finding the Fourth Proportional to 84,864.50, 127,296.74 and 21,684.75

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Solution

The fourth proportional to 84,864.50, 127,296.74 and 21,684.75 is: 32,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,864.50 : 127,296.74 = 21,684.75 : x
  2. Step 2: Convert to fraction form
    84,864.50/127,296.74 = 21,684.75/x
  3. Step 3: Cross multiply
    84,864.50x = 127,296.74 × 21,684.75
  4. Step 4: Simplify right side
    84,864.50x = 2,760,397,874.29
  5. Step 5: Solve for x
    x = 2,760,397,874.29/84,864.50
  6. Step 6: Final answer
    x = 32,527.12

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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.