Home / 42,009.36-57,974.31-23,146.89

Finding the Fourth Proportional to 42,009.36, 57,974.31 and 23,146.89

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Solution

The fourth proportional to 42,009.36, 57,974.31 and 23,146.89 is: 31,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009.36 : 57,974.31 = 23,146.89 : x
  2. Step 2: Convert to fraction form
    42,009.36/57,974.31 = 23,146.89/x
  3. Step 3: Cross multiply
    42,009.36x = 57,974.31 × 23,146.89
  4. Step 4: Simplify right side
    42,009.36x = 1,341,924,976.40
  5. Step 5: Solve for x
    x = 1,341,924,976.40/42,009.36
  6. Step 6: Final answer
    x = 31,943.48

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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.