Home / 29,301.84-40,428.34-18,401.16

Finding the Fourth Proportional to 29,301.84, 40,428.34 and 18,401.16

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Solution

The fourth proportional to 29,301.84, 40,428.34 and 18,401.16 is: 25,388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,301.84 : 40,428.34 = 18,401.16 : x
  2. Step 2: Convert to fraction form
    29,301.84/40,428.34 = 18,401.16/x
  3. Step 3: Cross multiply
    29,301.84x = 40,428.34 × 18,401.16
  4. Step 4: Simplify right side
    29,301.84x = 743,928,104.73
  5. Step 5: Solve for x
    x = 743,928,104.73/29,301.84
  6. Step 6: Final answer
    x = 25,388.44

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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.