Home / 45,031.26-67,217.14-39,711.03

Finding the Fourth Proportional to 45,031.26, 67,217.14 and 39,711.03

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Solution

The fourth proportional to 45,031.26, 67,217.14 and 39,711.03 is: 59,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,031.26 : 67,217.14 = 39,711.03 : x
  2. Step 2: Convert to fraction form
    45,031.26/67,217.14 = 39,711.03/x
  3. Step 3: Cross multiply
    45,031.26x = 67,217.14 × 39,711.03
  4. Step 4: Simplify right side
    45,031.26x = 2,669,261,626.25
  5. Step 5: Solve for x
    x = 2,669,261,626.25/45,031.26
  6. Step 6: Final answer
    x = 59,275.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.