Home / 55,032.22-75,945.36-31,158.28

Finding the Fourth Proportional to 55,032.22, 75,945.36 and 31,158.28

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Solution

The fourth proportional to 55,032.22, 75,945.36 and 31,158.28 is: 42,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,032.22 : 75,945.36 = 31,158.28 : x
  2. Step 2: Convert to fraction form
    55,032.22/75,945.36 = 31,158.28/x
  3. Step 3: Cross multiply
    55,032.22x = 75,945.36 × 31,158.28
  4. Step 4: Simplify right side
    55,032.22x = 2,366,326,791.58
  5. Step 5: Solve for x
    x = 2,366,326,791.58/55,032.22
  6. Step 6: Final answer
    x = 42,998.93

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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.