Home / 45,400.40-68,246.40-32,343.20

Finding the Fourth Proportional to 45,400.40, 68,246.40 and 32,343.20

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Solution

The fourth proportional to 45,400.40, 68,246.40 and 32,343.20 is: 48,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,400.40 : 68,246.40 = 32,343.20 : x
  2. Step 2: Convert to fraction form
    45,400.40/68,246.40 = 32,343.20/x
  3. Step 3: Cross multiply
    45,400.40x = 68,246.40 × 32,343.20
  4. Step 4: Simplify right side
    45,400.40x = 2,207,306,964.48
  5. Step 5: Solve for x
    x = 2,207,306,964.48/45,400.40
  6. Step 6: Final answer
    x = 48,618.67

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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.