Home / 36,009.85-49,686.18-20,693.44

Finding the Fourth Proportional to 36,009.85, 49,686.18 and 20,693.44

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Solution

The fourth proportional to 36,009.85, 49,686.18 and 20,693.44 is: 28,552.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009.85 : 49,686.18 = 20,693.44 : x
  2. Step 2: Convert to fraction form
    36,009.85/49,686.18 = 20,693.44/x
  3. Step 3: Cross multiply
    36,009.85x = 49,686.18 × 20,693.44
  4. Step 4: Simplify right side
    36,009.85x = 1,028,177,969.17
  5. Step 5: Solve for x
    x = 1,028,177,969.17/36,009.85
  6. Step 6: Final answer
    x = 28,552.69

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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.