Home / 55,542.20-83,347.13-20,000.54

Finding the Fourth Proportional to 55,542.20, 83,347.13 and 20,000.54

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Solution

The fourth proportional to 55,542.20, 83,347.13 and 20,000.54 is: 30,013.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,542.20 : 83,347.13 = 20,000.54 : x
  2. Step 2: Convert to fraction form
    55,542.20/83,347.13 = 20,000.54/x
  3. Step 3: Cross multiply
    55,542.20x = 83,347.13 × 20,000.54
  4. Step 4: Simplify right side
    55,542.20x = 1,666,987,865.82
  5. Step 5: Solve for x
    x = 1,666,987,865.82/55,542.20
  6. Step 6: Final answer
    x = 30,013.00

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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.