Home / 42,006.75-57,969.32-23,144.28

Finding the Fourth Proportional to 42,006.75, 57,969.32 and 23,144.28

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Solution

The fourth proportional to 42,006.75, 57,969.32 and 23,144.28 is: 31,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,006.75 : 57,969.32 = 23,144.28 : x
  2. Step 2: Convert to fraction form
    42,006.75/57,969.32 = 23,144.28/x
  3. Step 3: Cross multiply
    42,006.75x = 57,969.32 × 23,144.28
  4. Step 4: Simplify right side
    42,006.75x = 1,341,658,173.49
  5. Step 5: Solve for x
    x = 1,341,658,173.49/42,006.75
  6. Step 6: Final answer
    x = 31,939.11

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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.