Home / 42,122.75-58,108.37-25,115.00

Finding the Fourth Proportional to 42,122.75, 58,108.37 and 25,115.00

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Solution

The fourth proportional to 42,122.75, 58,108.37 and 25,115.00 is: 34,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.75 : 58,108.37 = 25,115.00 : x
  2. Step 2: Convert to fraction form
    42,122.75/58,108.37 = 25,115.00/x
  3. Step 3: Cross multiply
    42,122.75x = 58,108.37 × 25,115.00
  4. Step 4: Simplify right side
    42,122.75x = 1,459,391,296.43
  5. Step 5: Solve for x
    x = 1,459,391,296.43/42,122.75
  6. Step 6: Final answer
    x = 34,646.16

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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.