Home / 40,136.18-55,335.40-34,531.13

Finding the Fourth Proportional to 40,136.18, 55,335.40 and 34,531.13

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Solution

The fourth proportional to 40,136.18, 55,335.40 and 34,531.13 is: 47,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.18 : 55,335.40 = 34,531.13 : x
  2. Step 2: Convert to fraction form
    40,136.18/55,335.40 = 34,531.13/x
  3. Step 3: Cross multiply
    40,136.18x = 55,335.40 × 34,531.13
  4. Step 4: Simplify right side
    40,136.18x = 1,910,793,825.99
  5. Step 5: Solve for x
    x = 1,910,793,825.99/40,136.18
  6. Step 6: Final answer
    x = 47,607.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.