Home / 55,055.06-75,976.05-29,904.56

Finding the Fourth Proportional to 55,055.06, 75,976.05 and 29,904.56

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Solution

The fourth proportional to 55,055.06, 75,976.05 and 29,904.56 is: 41,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055.06 : 75,976.05 = 29,904.56 : x
  2. Step 2: Convert to fraction form
    55,055.06/75,976.05 = 29,904.56/x
  3. Step 3: Cross multiply
    55,055.06x = 75,976.05 × 29,904.56
  4. Step 4: Simplify right side
    55,055.06x = 2,272,029,816.38
  5. Step 5: Solve for x
    x = 2,272,029,816.38/55,055.06
  6. Step 6: Final answer
    x = 41,268.32

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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.