Home / 30,251.43-45,389.43-13,600.17

Finding the Fourth Proportional to 30,251.43, 45,389.43 and 13,600.17

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Solution

The fourth proportional to 30,251.43, 45,389.43 and 13,600.17 is: 20,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.43 : 45,389.43 = 13,600.17 : x
  2. Step 2: Convert to fraction form
    30,251.43/45,389.43 = 13,600.17/x
  3. Step 3: Cross multiply
    30,251.43x = 45,389.43 × 13,600.17
  4. Step 4: Simplify right side
    30,251.43x = 617,303,964.20
  5. Step 5: Solve for x
    x = 617,303,964.20/30,251.43
  6. Step 6: Final answer
    x = 20,405.78

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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.