Home / 55,424.40-83,144.12-17,972.26

Finding the Fourth Proportional to 55,424.40, 83,144.12 and 17,972.26

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Solution

The fourth proportional to 55,424.40, 83,144.12 and 17,972.26 is: 26,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,424.40 : 83,144.12 = 17,972.26 : x
  2. Step 2: Convert to fraction form
    55,424.40/83,144.12 = 17,972.26/x
  3. Step 3: Cross multiply
    55,424.40x = 83,144.12 × 17,972.26
  4. Step 4: Simplify right side
    55,424.40x = 1,494,287,742.11
  5. Step 5: Solve for x
    x = 1,494,287,742.11/55,424.40
  6. Step 6: Final answer
    x = 26,960.83

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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.