Home / 42,122.19-58,131-23,003.75

Finding the Fourth Proportional to 42,122.19, 58,131 and 23,003.75

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Solution

The fourth proportional to 42,122.19, 58,131 and 23,003.75 is: 31,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.19 : 58,131 = 23,003.75 : x
  2. Step 2: Convert to fraction form
    42,122.19/58,131 = 23,003.75/x
  3. Step 3: Cross multiply
    42,122.19x = 58,131 × 23,003.75
  4. Step 4: Simplify right side
    42,122.19x = 1,337,230,809.59
  5. Step 5: Solve for x
    x = 1,337,230,809.59/42,122.19
  6. Step 6: Final answer
    x = 31,746.47

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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.