Home / 40,609.40-60,919.83-12,531.74

Finding the Fourth Proportional to 40,609.40, 60,919.83 and 12,531.74

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Solution

The fourth proportional to 40,609.40, 60,919.83 and 12,531.74 is: 18,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,609.40 : 60,919.83 = 12,531.74 : x
  2. Step 2: Convert to fraction form
    40,609.40/60,919.83 = 12,531.74/x
  3. Step 3: Cross multiply
    40,609.40x = 60,919.83 × 12,531.74
  4. Step 4: Simplify right side
    40,609.40x = 763,431,165.81
  5. Step 5: Solve for x
    x = 763,431,165.81/40,609.40
  6. Step 6: Final answer
    x = 18,799.37

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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.