Home / 40,673.92-61,013.02-12,613.36

Finding the Fourth Proportional to 40,673.92, 61,013.02 and 12,613.36

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Solution

The fourth proportional to 40,673.92, 61,013.02 and 12,613.36 is: 18,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,673.92 : 61,013.02 = 12,613.36 : x
  2. Step 2: Convert to fraction form
    40,673.92/61,013.02 = 12,613.36/x
  3. Step 3: Cross multiply
    40,673.92x = 61,013.02 × 12,613.36
  4. Step 4: Simplify right side
    40,673.92x = 769,579,185.95
  5. Step 5: Solve for x
    x = 769,579,185.95/40,673.92
  6. Step 6: Final answer
    x = 18,920.70

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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.