Home / 55,367.28-83,061.86-20,307.24

Finding the Fourth Proportional to 55,367.28, 83,061.86 and 20,307.24

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Solution

The fourth proportional to 55,367.28, 83,061.86 and 20,307.24 is: 30,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367.28 : 83,061.86 = 20,307.24 : x
  2. Step 2: Convert to fraction form
    55,367.28/83,061.86 = 20,307.24/x
  3. Step 3: Cross multiply
    55,367.28x = 83,061.86 × 20,307.24
  4. Step 4: Simplify right side
    55,367.28x = 1,686,757,125.87
  5. Step 5: Solve for x
    x = 1,686,757,125.87/55,367.28
  6. Step 6: Final answer
    x = 30,464.87

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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.