Home / 29,613.41-40,865.55-18,717.39

Finding the Fourth Proportional to 29,613.41, 40,865.55 and 18,717.39

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Solution

The fourth proportional to 29,613.41, 40,865.55 and 18,717.39 is: 25,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,613.41 : 40,865.55 = 18,717.39 : x
  2. Step 2: Convert to fraction form
    29,613.41/40,865.55 = 18,717.39/x
  3. Step 3: Cross multiply
    29,613.41x = 40,865.55 × 18,717.39
  4. Step 4: Simplify right side
    29,613.41x = 764,896,436.91
  5. Step 5: Solve for x
    x = 764,896,436.91/29,613.41
  6. Step 6: Final answer
    x = 25,829.39

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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.