Home / 42,029.92-57,999-23,165.56

Finding the Fourth Proportional to 42,029.92, 57,999 and 23,165.56

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Solution

The fourth proportional to 42,029.92, 57,999 and 23,165.56 is: 31,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,029.92 : 57,999 = 23,165.56 : x
  2. Step 2: Convert to fraction form
    42,029.92/57,999 = 23,165.56/x
  3. Step 3: Cross multiply
    42,029.92x = 57,999 × 23,165.56
  4. Step 4: Simplify right side
    42,029.92x = 1,343,579,314.44
  5. Step 5: Solve for x
    x = 1,343,579,314.44/42,029.92
  6. Step 6: Final answer
    x = 31,967.21

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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.