Home / 48,527.40-72,761.40-18,911.10

Finding the Fourth Proportional to 48,527.40, 72,761.40 and 18,911.10

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Solution

The fourth proportional to 48,527.40, 72,761.40 and 18,911.10 is: 28,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,527.40 : 72,761.40 = 18,911.10 : x
  2. Step 2: Convert to fraction form
    48,527.40/72,761.40 = 18,911.10/x
  3. Step 3: Cross multiply
    48,527.40x = 72,761.40 × 18,911.10
  4. Step 4: Simplify right side
    48,527.40x = 1,375,998,111.54
  5. Step 5: Solve for x
    x = 1,375,998,111.54/48,527.40
  6. Step 6: Final answer
    x = 28,355.08

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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.