Home / 40,954.68-61,431.98-12,877.19

Finding the Fourth Proportional to 40,954.68, 61,431.98 and 12,877.19

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Solution

The fourth proportional to 40,954.68, 61,431.98 and 12,877.19 is: 19,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,954.68 : 61,431.98 = 12,877.19 : x
  2. Step 2: Convert to fraction form
    40,954.68/61,431.98 = 12,877.19/x
  3. Step 3: Cross multiply
    40,954.68x = 61,431.98 × 12,877.19
  4. Step 4: Simplify right side
    40,954.68x = 791,070,906.99
  5. Step 5: Solve for x
    x = 791,070,906.99/40,954.68
  6. Step 6: Final answer
    x = 19,315.76

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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.