Home / 54,003.60-80,896.05-30,602.70

Finding the Fourth Proportional to 54,003.60, 80,896.05 and 30,602.70

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Solution

The fourth proportional to 54,003.60, 80,896.05 and 30,602.70 is: 45,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,003.60 : 80,896.05 = 30,602.70 : x
  2. Step 2: Convert to fraction form
    54,003.60/80,896.05 = 30,602.70/x
  3. Step 3: Cross multiply
    54,003.60x = 80,896.05 × 30,602.70
  4. Step 4: Simplify right side
    54,003.60x = 2,475,637,549.34
  5. Step 5: Solve for x
    x = 2,475,637,549.34/54,003.60
  6. Step 6: Final answer
    x = 45,842.08

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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.