Home / 55,005.20-82,488.60-28,701.20

Finding the Fourth Proportional to 55,005.20, 82,488.60 and 28,701.20

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Solution

The fourth proportional to 55,005.20, 82,488.60 and 28,701.20 is: 43,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,005.20 : 82,488.60 = 28,701.20 : x
  2. Step 2: Convert to fraction form
    55,005.20/82,488.60 = 28,701.20/x
  3. Step 3: Cross multiply
    55,005.20x = 82,488.60 × 28,701.20
  4. Step 4: Simplify right side
    55,005.20x = 2,367,521,806.32
  5. Step 5: Solve for x
    x = 2,367,521,806.32/55,005.20
  6. Step 6: Final answer
    x = 43,041.78

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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.