Home / 48,617.10-72,889.10-20,569.98

Finding the Fourth Proportional to 48,617.10, 72,889.10 and 20,569.98

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Solution

The fourth proportional to 48,617.10, 72,889.10 and 20,569.98 is: 30,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,617.10 : 72,889.10 = 20,569.98 : x
  2. Step 2: Convert to fraction form
    48,617.10/72,889.10 = 20,569.98/x
  3. Step 3: Cross multiply
    48,617.10x = 72,889.10 × 20,569.98
  4. Step 4: Simplify right side
    48,617.10x = 1,499,327,329.22
  5. Step 5: Solve for x
    x = 1,499,327,329.22/48,617.10
  6. Step 6: Final answer
    x = 30,839.51

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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.