Home / 36,025.25-49,713.80-20,109.35

Finding the Fourth Proportional to 36,025.25, 49,713.80 and 20,109.35

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Solution

The fourth proportional to 36,025.25, 49,713.80 and 20,109.35 is: 27,750.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,025.25 : 49,713.80 = 20,109.35 : x
  2. Step 2: Convert to fraction form
    36,025.25/49,713.80 = 20,109.35/x
  3. Step 3: Cross multiply
    36,025.25x = 49,713.80 × 20,109.35
  4. Step 4: Simplify right side
    36,025.25x = 999,711,854.91
  5. Step 5: Solve for x
    x = 999,711,854.91/36,025.25
  6. Step 6: Final answer
    x = 27,750.31

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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.