Home / 40,877.88-61,334.10-17,515.32

Finding the Fourth Proportional to 40,877.88, 61,334.10 and 17,515.32

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Solution

The fourth proportional to 40,877.88, 61,334.10 and 17,515.32 is: 26,280.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,877.88 : 61,334.10 = 17,515.32 : x
  2. Step 2: Convert to fraction form
    40,877.88/61,334.10 = 17,515.32/x
  3. Step 3: Cross multiply
    40,877.88x = 61,334.10 × 17,515.32
  4. Step 4: Simplify right side
    40,877.88x = 1,074,286,388.41
  5. Step 5: Solve for x
    x = 1,074,286,388.41/40,877.88
  6. Step 6: Final answer
    x = 26,280.38

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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.