Home / 42,015.12-57,982.12-23,153.46

Finding the Fourth Proportional to 42,015.12, 57,982.12 and 23,153.46

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Solution

The fourth proportional to 42,015.12, 57,982.12 and 23,153.46 is: 31,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,015.12 : 57,982.12 = 23,153.46 : x
  2. Step 2: Convert to fraction form
    42,015.12/57,982.12 = 23,153.46/x
  3. Step 3: Cross multiply
    42,015.12x = 57,982.12 × 23,153.46
  4. Step 4: Simplify right side
    42,015.12x = 1,342,486,696.14
  5. Step 5: Solve for x
    x = 1,342,486,696.14/42,015.12
  6. Step 6: Final answer
    x = 31,952.47

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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.