Home / 42,015.82-57,979.10-23,152.95

Finding the Fourth Proportional to 42,015.82, 57,979.10 and 23,152.95

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Solution

The fourth proportional to 42,015.82, 57,979.10 and 23,152.95 is: 31,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,015.82 : 57,979.10 = 23,152.95 : x
  2. Step 2: Convert to fraction form
    42,015.82/57,979.10 = 23,152.95/x
  3. Step 3: Cross multiply
    42,015.82x = 57,979.10 × 23,152.95
  4. Step 4: Simplify right side
    42,015.82x = 1,342,387,203.35
  5. Step 5: Solve for x
    x = 1,342,387,203.35/42,015.82
  6. Step 6: Final answer
    x = 31,949.57

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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.