Home / 40,611.26-60,909.89-11,031.47

Finding the Fourth Proportional to 40,611.26, 60,909.89 and 11,031.47

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Solution

The fourth proportional to 40,611.26, 60,909.89 and 11,031.47 is: 16,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,611.26 : 60,909.89 = 11,031.47 : x
  2. Step 2: Convert to fraction form
    40,611.26/60,909.89 = 11,031.47/x
  3. Step 3: Cross multiply
    40,611.26x = 60,909.89 × 11,031.47
  4. Step 4: Simplify right side
    40,611.26x = 671,925,264.53
  5. Step 5: Solve for x
    x = 671,925,264.53/40,611.26
  6. Step 6: Final answer
    x = 16,545.30

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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.