Home / 30,337.52-41,867.88-18,401.36

Finding the Fourth Proportional to 30,337.52, 41,867.88 and 18,401.36

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Solution

The fourth proportional to 30,337.52, 41,867.88 and 18,401.36 is: 25,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337.52 : 41,867.88 = 18,401.36 : x
  2. Step 2: Convert to fraction form
    30,337.52/41,867.88 = 18,401.36/x
  3. Step 3: Cross multiply
    30,337.52x = 41,867.88 × 18,401.36
  4. Step 4: Simplify right side
    30,337.52x = 770,425,932.32
  5. Step 5: Solve for x
    x = 770,425,932.32/30,337.52
  6. Step 6: Final answer
    x = 25,395.15

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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.