Home / 55,004.20-82,487.10-28,700.20

Finding the Fourth Proportional to 55,004.20, 82,487.10 and 28,700.20

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Solution

The fourth proportional to 55,004.20, 82,487.10 and 28,700.20 is: 43,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,004.20 : 82,487.10 = 28,700.20 : x
  2. Step 2: Convert to fraction form
    55,004.20/82,487.10 = 28,700.20/x
  3. Step 3: Cross multiply
    55,004.20x = 82,487.10 × 28,700.20
  4. Step 4: Simplify right side
    55,004.20x = 2,367,396,267.42
  5. Step 5: Solve for x
    x = 2,367,396,267.42/55,004.20
  6. Step 6: Final answer
    x = 43,040.28

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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.