Home / 48,028.14-72,044.91-12,970.56

Finding the Fourth Proportional to 48,028.14, 72,044.91 and 12,970.56

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Solution

The fourth proportional to 48,028.14, 72,044.91 and 12,970.56 is: 19,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,028.14 : 72,044.91 = 12,970.56 : x
  2. Step 2: Convert to fraction form
    48,028.14/72,044.91 = 12,970.56/x
  3. Step 3: Cross multiply
    48,028.14x = 72,044.91 × 12,970.56
  4. Step 4: Simplify right side
    48,028.14x = 934,462,827.85
  5. Step 5: Solve for x
    x = 934,462,827.85/48,028.14
  6. Step 6: Final answer
    x = 19,456.57

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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.