Home / 48,627.60-72,912.20-19,010.12

Finding the Fourth Proportional to 48,627.60, 72,912.20 and 19,010.12

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Solution

The fourth proportional to 48,627.60, 72,912.20 and 19,010.12 is: 28,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,627.60 : 72,912.20 = 19,010.12 : x
  2. Step 2: Convert to fraction form
    48,627.60/72,912.20 = 19,010.12/x
  3. Step 3: Cross multiply
    48,627.60x = 72,912.20 × 19,010.12
  4. Step 4: Simplify right side
    48,627.60x = 1,386,069,671.46
  5. Step 5: Solve for x
    x = 1,386,069,671.46/48,627.60
  6. Step 6: Final answer
    x = 28,503.76

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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.