Home / 72,285.10-108,423.60-22,364.80

Finding the Fourth Proportional to 72,285.10, 108,423.60 and 22,364.80

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Solution

The fourth proportional to 72,285.10, 108,423.60 and 22,364.80 is: 33,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,285.10 : 108,423.60 = 22,364.80 : x
  2. Step 2: Convert to fraction form
    72,285.10/108,423.60 = 22,364.80/x
  3. Step 3: Cross multiply
    72,285.10x = 108,423.60 × 22,364.80
  4. Step 4: Simplify right side
    72,285.10x = 2,424,872,129.28
  5. Step 5: Solve for x
    x = 2,424,872,129.28/72,285.10
  6. Step 6: Final answer
    x = 33,545.95

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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.