Home / 48,732.20-73,098.30-21,030.20

Finding the Fourth Proportional to 48,732.20, 73,098.30 and 21,030.20

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Solution

The fourth proportional to 48,732.20, 73,098.30 and 21,030.20 is: 31,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,732.20 : 73,098.30 = 21,030.20 : x
  2. Step 2: Convert to fraction form
    48,732.20/73,098.30 = 21,030.20/x
  3. Step 3: Cross multiply
    48,732.20x = 73,098.30 × 21,030.20
  4. Step 4: Simplify right side
    48,732.20x = 1,537,271,868.66
  5. Step 5: Solve for x
    x = 1,537,271,868.66/48,732.20
  6. Step 6: Final answer
    x = 31,545.30

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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.