Home / 77,402.18-116,100.84-21,998.18

Finding the Fourth Proportional to 77,402.18, 116,100.84 and 21,998.18

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Solution

The fourth proportional to 77,402.18, 116,100.84 and 21,998.18 is: 32,996.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,402.18 : 116,100.84 = 21,998.18 : x
  2. Step 2: Convert to fraction form
    77,402.18/116,100.84 = 21,998.18/x
  3. Step 3: Cross multiply
    77,402.18x = 116,100.84 × 21,998.18
  4. Step 4: Simplify right side
    77,402.18x = 2,554,007,176.47
  5. Step 5: Solve for x
    x = 2,554,007,176.47/77,402.18
  6. Step 6: Final answer
    x = 32,996.58

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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.