Home / 39,983.99-59,976.06-10,401.78

Finding the Fourth Proportional to 39,983.99, 59,976.06 and 10,401.78

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Solution

The fourth proportional to 39,983.99, 59,976.06 and 10,401.78 is: 15,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.99 : 59,976.06 = 10,401.78 : x
  2. Step 2: Convert to fraction form
    39,983.99/59,976.06 = 10,401.78/x
  3. Step 3: Cross multiply
    39,983.99x = 59,976.06 × 10,401.78
  4. Step 4: Simplify right side
    39,983.99x = 623,857,781.39
  5. Step 5: Solve for x
    x = 623,857,781.39/39,983.99
  6. Step 6: Final answer
    x = 15,602.69

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Similar ratio
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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.