Home / 72,348.12-108,528.90-22,428.60

Finding the Fourth Proportional to 72,348.12, 108,528.90 and 22,428.60

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Solution

The fourth proportional to 72,348.12, 108,528.90 and 22,428.60 is: 33,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,348.12 : 108,528.90 = 22,428.60 : x
  2. Step 2: Convert to fraction form
    72,348.12/108,528.90 = 22,428.60/x
  3. Step 3: Cross multiply
    72,348.12x = 108,528.90 × 22,428.60
  4. Step 4: Simplify right side
    72,348.12x = 2,434,151,286.54
  5. Step 5: Solve for x
    x = 2,434,151,286.54/72,348.12
  6. Step 6: Final answer
    x = 33,644.98

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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.