Home / 48,819.20-73,228.80-40,654.40

Finding the Fourth Proportional to 48,819.20, 73,228.80 and 40,654.40

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Solution

The fourth proportional to 48,819.20, 73,228.80 and 40,654.40 is: 60,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,819.20 : 73,228.80 = 40,654.40 : x
  2. Step 2: Convert to fraction form
    48,819.20/73,228.80 = 40,654.40/x
  3. Step 3: Cross multiply
    48,819.20x = 73,228.80 × 40,654.40
  4. Step 4: Simplify right side
    48,819.20x = 2,977,072,926.72
  5. Step 5: Solve for x
    x = 2,977,072,926.72/48,819.20
  6. Step 6: Final answer
    x = 60,981.60

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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.