Home / 55,023.89-75,932.57-31,150.36

Finding the Fourth Proportional to 55,023.89, 75,932.57 and 31,150.36

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Solution

The fourth proportional to 55,023.89, 75,932.57 and 31,150.36 is: 42,987.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,023.89 : 75,932.57 = 31,150.36 : x
  2. Step 2: Convert to fraction form
    55,023.89/75,932.57 = 31,150.36/x
  3. Step 3: Cross multiply
    55,023.89x = 75,932.57 × 31,150.36
  4. Step 4: Simplify right side
    55,023.89x = 2,365,326,461.68
  5. Step 5: Solve for x
    x = 2,365,326,461.68/55,023.89
  6. Step 6: Final answer
    x = 42,987.26

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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.