Home / 48,931.60-73,397.40-40,628.20

Finding the Fourth Proportional to 48,931.60, 73,397.40 and 40,628.20

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Solution

The fourth proportional to 48,931.60, 73,397.40 and 40,628.20 is: 60,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,931.60 : 73,397.40 = 40,628.20 : x
  2. Step 2: Convert to fraction form
    48,931.60/73,397.40 = 40,628.20/x
  3. Step 3: Cross multiply
    48,931.60x = 73,397.40 × 40,628.20
  4. Step 4: Simplify right side
    48,931.60x = 2,982,004,246.68
  5. Step 5: Solve for x
    x = 2,982,004,246.68/48,931.60
  6. Step 6: Final answer
    x = 60,942.30

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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.