Home / 59,995.16-89,995.20-20,579.38

Finding the Fourth Proportional to 59,995.16, 89,995.20 and 20,579.38

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Solution

The fourth proportional to 59,995.16, 89,995.20 and 20,579.38 is: 30,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,995.16 : 89,995.20 = 20,579.38 : x
  2. Step 2: Convert to fraction form
    59,995.16/89,995.20 = 20,579.38/x
  3. Step 3: Cross multiply
    59,995.16x = 89,995.20 × 20,579.38
  4. Step 4: Simplify right side
    59,995.16x = 1,852,045,418.98
  5. Step 5: Solve for x
    x = 1,852,045,418.98/59,995.16
  6. Step 6: Final answer
    x = 30,869.91

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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.