Home / 39,401.17-54,373.56-21,496.17

Finding the Fourth Proportional to 39,401.17, 54,373.56 and 21,496.17

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Solution

The fourth proportional to 39,401.17, 54,373.56 and 21,496.17 is: 29,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,401.17 : 54,373.56 = 21,496.17 : x
  2. Step 2: Convert to fraction form
    39,401.17/54,373.56 = 21,496.17/x
  3. Step 3: Cross multiply
    39,401.17x = 54,373.56 × 21,496.17
  4. Step 4: Simplify right side
    39,401.17x = 1,168,823,276.62
  5. Step 5: Solve for x
    x = 1,168,823,276.62/39,401.17
  6. Step 6: Final answer
    x = 29,664.68

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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.