Home / 45,442.40-68,262.96-32,378.72

Finding the Fourth Proportional to 45,442.40, 68,262.96 and 32,378.72

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Solution

The fourth proportional to 45,442.40, 68,262.96 and 32,378.72 is: 48,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,442.40 : 68,262.96 = 32,378.72 : x
  2. Step 2: Convert to fraction form
    45,442.40/68,262.96 = 32,378.72/x
  3. Step 3: Cross multiply
    45,442.40x = 68,262.96 × 32,378.72
  4. Step 4: Simplify right side
    45,442.40x = 2,210,267,268.21
  5. Step 5: Solve for x
    x = 2,210,267,268.21/45,442.40
  6. Step 6: Final answer
    x = 48,638.88

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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.