Home / 55,921.20-83,881.60-16,478.24

Finding the Fourth Proportional to 55,921.20, 83,881.60 and 16,478.24

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Solution

The fourth proportional to 55,921.20, 83,881.60 and 16,478.24 is: 24,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,921.20 : 83,881.60 = 16,478.24 : x
  2. Step 2: Convert to fraction form
    55,921.20/83,881.60 = 16,478.24/x
  3. Step 3: Cross multiply
    55,921.20x = 83,881.60 × 16,478.24
  4. Step 4: Simplify right side
    55,921.20x = 1,382,221,136.38
  5. Step 5: Solve for x
    x = 1,382,221,136.38/55,921.20
  6. Step 6: Final answer
    x = 24,717.30

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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.