Home / 57,470.96-86,246.07-20,031.34

Finding the Fourth Proportional to 57,470.96, 86,246.07 and 20,031.34

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Solution

The fourth proportional to 57,470.96, 86,246.07 and 20,031.34 is: 30,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,470.96 : 86,246.07 = 20,031.34 : x
  2. Step 2: Convert to fraction form
    57,470.96/86,246.07 = 20,031.34/x
  3. Step 3: Cross multiply
    57,470.96x = 86,246.07 × 20,031.34
  4. Step 4: Simplify right side
    57,470.96x = 1,727,624,351.83
  5. Step 5: Solve for x
    x = 1,727,624,351.83/57,470.96
  6. Step 6: Final answer
    x = 30,060.82

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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.