Home / 55,423.04-83,122.68-15,972.80

Finding the Fourth Proportional to 55,423.04, 83,122.68 and 15,972.80

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Solution

The fourth proportional to 55,423.04, 83,122.68 and 15,972.80 is: 23,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.04 : 83,122.68 = 15,972.80 : x
  2. Step 2: Convert to fraction form
    55,423.04/83,122.68 = 15,972.80/x
  3. Step 3: Cross multiply
    55,423.04x = 83,122.68 × 15,972.80
  4. Step 4: Simplify right side
    55,423.04x = 1,327,701,943.10
  5. Step 5: Solve for x
    x = 1,327,701,943.10/55,423.04
  6. Step 6: Final answer
    x = 23,955.78

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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.