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Finding the Fourth Proportional to 40,246.60, 60,369.90 and 30,332.20

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Solution

The fourth proportional to 40,246.60, 60,369.90 and 30,332.20 is: 45,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,246.60 : 60,369.90 = 30,332.20 : x
  2. Step 2: Convert to fraction form
    40,246.60/60,369.90 = 30,332.20/x
  3. Step 3: Cross multiply
    40,246.60x = 60,369.90 × 30,332.20
  4. Step 4: Simplify right side
    40,246.60x = 1,831,151,880.78
  5. Step 5: Solve for x
    x = 1,831,151,880.78/40,246.60
  6. Step 6: Final answer
    x = 45,498.30

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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.