Home / 45,498.11-68,256.88-15,916.91

Finding the Fourth Proportional to 45,498.11, 68,256.88 and 15,916.91

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Solution

The fourth proportional to 45,498.11, 68,256.88 and 15,916.91 is: 23,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,498.11 : 68,256.88 = 15,916.91 : x
  2. Step 2: Convert to fraction form
    45,498.11/68,256.88 = 15,916.91/x
  3. Step 3: Cross multiply
    45,498.11x = 68,256.88 × 15,916.91
  4. Step 4: Simplify right side
    45,498.11x = 1,086,438,234.76
  5. Step 5: Solve for x
    x = 1,086,438,234.76/45,498.11
  6. Step 6: Final answer
    x = 23,878.76

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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.