Home / 55,009.80-75,804.66-39,049.56

Finding the Fourth Proportional to 55,009.80, 75,804.66 and 39,049.56

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Solution

The fourth proportional to 55,009.80, 75,804.66 and 39,049.56 is: 53,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,009.80 : 75,804.66 = 39,049.56 : x
  2. Step 2: Convert to fraction form
    55,009.80/75,804.66 = 39,049.56/x
  3. Step 3: Cross multiply
    55,009.80x = 75,804.66 × 39,049.56
  4. Step 4: Simplify right side
    55,009.80x = 2,960,138,618.95
  5. Step 5: Solve for x
    x = 2,960,138,618.95/55,009.80
  6. Step 6: Final answer
    x = 53,811.11

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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.