Home / 40,687.95-61,031.92-11,106.57

Finding the Fourth Proportional to 40,687.95, 61,031.92 and 11,106.57

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Solution

The fourth proportional to 40,687.95, 61,031.92 and 11,106.57 is: 16,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,687.95 : 61,031.92 = 11,106.57 : x
  2. Step 2: Convert to fraction form
    40,687.95/61,031.92 = 11,106.57/x
  3. Step 3: Cross multiply
    40,687.95x = 61,031.92 × 11,106.57
  4. Step 4: Simplify right side
    40,687.95x = 677,855,236.18
  5. Step 5: Solve for x
    x = 677,855,236.18/40,687.95
  6. Step 6: Final answer
    x = 16,659.85

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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.