Home / 36,217.78-54,326.67-12,838.75

Finding the Fourth Proportional to 36,217.78, 54,326.67 and 12,838.75

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Solution

The fourth proportional to 36,217.78, 54,326.67 and 12,838.75 is: 19,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,217.78 : 54,326.67 = 12,838.75 : x
  2. Step 2: Convert to fraction form
    36,217.78/54,326.67 = 12,838.75/x
  3. Step 3: Cross multiply
    36,217.78x = 54,326.67 × 12,838.75
  4. Step 4: Simplify right side
    36,217.78x = 697,486,534.46
  5. Step 5: Solve for x
    x = 697,486,534.46/36,217.78
  6. Step 6: Final answer
    x = 19,258.13

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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.