Home / 36,478.18-50,339.88-19,711.18

Finding the Fourth Proportional to 36,478.18, 50,339.88 and 19,711.18

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Solution

The fourth proportional to 36,478.18, 50,339.88 and 19,711.18 is: 27,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,478.18 : 50,339.88 = 19,711.18 : x
  2. Step 2: Convert to fraction form
    36,478.18/50,339.88 = 19,711.18/x
  3. Step 3: Cross multiply
    36,478.18x = 50,339.88 × 19,711.18
  4. Step 4: Simplify right side
    36,478.18x = 992,258,435.86
  5. Step 5: Solve for x
    x = 992,258,435.86/36,478.18
  6. Step 6: Final answer
    x = 27,201.42

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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.