Home / 45,012.36-67,511.61-15,423.42

Finding the Fourth Proportional to 45,012.36, 67,511.61 and 15,423.42

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Solution

The fourth proportional to 45,012.36, 67,511.61 and 15,423.42 is: 23,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,012.36 : 67,511.61 = 15,423.42 : x
  2. Step 2: Convert to fraction form
    45,012.36/67,511.61 = 15,423.42/x
  3. Step 3: Cross multiply
    45,012.36x = 67,511.61 × 15,423.42
  4. Step 4: Simplify right side
    45,012.36x = 1,041,259,915.91
  5. Step 5: Solve for x
    x = 1,041,259,915.91/45,012.36
  6. Step 6: Final answer
    x = 23,132.76

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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.