Home / 42,021.60-57,999.69-26,118.06

Finding the Fourth Proportional to 42,021.60, 57,999.69 and 26,118.06

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Solution

The fourth proportional to 42,021.60, 57,999.69 and 26,118.06 is: 36,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,021.60 : 57,999.69 = 26,118.06 : x
  2. Step 2: Convert to fraction form
    42,021.60/57,999.69 = 26,118.06/x
  3. Step 3: Cross multiply
    42,021.60x = 57,999.69 × 26,118.06
  4. Step 4: Simplify right side
    42,021.60x = 1,514,839,383.40
  5. Step 5: Solve for x
    x = 1,514,839,383.40/42,021.60
  6. Step 6: Final answer
    x = 36,049.06

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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.