Home / 48,359.66-72,525.45-20,278.99

Finding the Fourth Proportional to 48,359.66, 72,525.45 and 20,278.99

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Solution

The fourth proportional to 48,359.66, 72,525.45 and 20,278.99 is: 30,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,359.66 : 72,525.45 = 20,278.99 : x
  2. Step 2: Convert to fraction form
    48,359.66/72,525.45 = 20,278.99/x
  3. Step 3: Cross multiply
    48,359.66x = 72,525.45 × 20,278.99
  4. Step 4: Simplify right side
    48,359.66x = 1,470,742,512.67
  5. Step 5: Solve for x
    x = 1,470,742,512.67/48,359.66
  6. Step 6: Final answer
    x = 30,412.59

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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.