Home / 40,456.09-60,658.77-12,366.80

Finding the Fourth Proportional to 40,456.09, 60,658.77 and 12,366.80

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Solution

The fourth proportional to 40,456.09, 60,658.77 and 12,366.80 is: 18,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456.09 : 60,658.77 = 12,366.80 : x
  2. Step 2: Convert to fraction form
    40,456.09/60,658.77 = 12,366.80/x
  3. Step 3: Cross multiply
    40,456.09x = 60,658.77 × 12,366.80
  4. Step 4: Simplify right side
    40,456.09x = 750,154,876.84
  5. Step 5: Solve for x
    x = 750,154,876.84/40,456.09
  6. Step 6: Final answer
    x = 18,542.45

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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.