Home / 45,346.60-68,019.90-40,335.40

Finding the Fourth Proportional to 45,346.60, 68,019.90 and 40,335.40

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Solution

The fourth proportional to 45,346.60, 68,019.90 and 40,335.40 is: 60,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,346.60 : 68,019.90 = 40,335.40 : x
  2. Step 2: Convert to fraction form
    45,346.60/68,019.90 = 40,335.40/x
  3. Step 3: Cross multiply
    45,346.60x = 68,019.90 × 40,335.40
  4. Step 4: Simplify right side
    45,346.60x = 2,743,609,874.46
  5. Step 5: Solve for x
    x = 2,743,609,874.46/45,346.60
  6. Step 6: Final answer
    x = 60,503.10

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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.