Home / 48,119.66-72,191.79-20,030.37

Finding the Fourth Proportional to 48,119.66, 72,191.79 and 20,030.37

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Solution

The fourth proportional to 48,119.66, 72,191.79 and 20,030.37 is: 30,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,119.66 : 72,191.79 = 20,030.37 : x
  2. Step 2: Convert to fraction form
    48,119.66/72,191.79 = 20,030.37/x
  3. Step 3: Cross multiply
    48,119.66x = 72,191.79 × 20,030.37
  4. Step 4: Simplify right side
    48,119.66x = 1,446,028,264.66
  5. Step 5: Solve for x
    x = 1,446,028,264.66/48,119.66
  6. Step 6: Final answer
    x = 30,050.68

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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.