Home / 55,511.20-83,266.80-51,793.30

Finding the Fourth Proportional to 55,511.20, 83,266.80 and 51,793.30

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Solution

The fourth proportional to 55,511.20, 83,266.80 and 51,793.30 is: 77,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511.20 : 83,266.80 = 51,793.30 : x
  2. Step 2: Convert to fraction form
    55,511.20/83,266.80 = 51,793.30/x
  3. Step 3: Cross multiply
    55,511.20x = 83,266.80 × 51,793.30
  4. Step 4: Simplify right side
    55,511.20x = 4,312,662,352.44
  5. Step 5: Solve for x
    x = 4,312,662,352.44/55,511.20
  6. Step 6: Final answer
    x = 77,689.95

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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.