Home / 57,470.79-86,178.42-20,029.98

Finding the Fourth Proportional to 57,470.79, 86,178.42 and 20,029.98

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Solution

The fourth proportional to 57,470.79, 86,178.42 and 20,029.98 is: 30,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,470.79 : 86,178.42 = 20,029.98 : x
  2. Step 2: Convert to fraction form
    57,470.79/86,178.42 = 20,029.98/x
  3. Step 3: Cross multiply
    57,470.79x = 86,178.42 × 20,029.98
  4. Step 4: Simplify right side
    57,470.79x = 1,726,152,029.03
  5. Step 5: Solve for x
    x = 1,726,152,029.03/57,470.79
  6. Step 6: Final answer
    x = 30,035.29

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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.