Home / 20,039.06-30,058.56-7,561.89

Finding the Fourth Proportional to 20,039.06, 30,058.56 and 7,561.89

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Solution

The fourth proportional to 20,039.06, 30,058.56 and 7,561.89 is: 11,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.06 : 30,058.56 = 7,561.89 : x
  2. Step 2: Convert to fraction form
    20,039.06/30,058.56 = 7,561.89/x
  3. Step 3: Cross multiply
    20,039.06x = 30,058.56 × 7,561.89
  4. Step 4: Simplify right side
    20,039.06x = 227,299,524.28
  5. Step 5: Solve for x
    x = 227,299,524.28/20,039.06
  6. Step 6: Final answer
    x = 11,342.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.