Home / 54,985.32-82,467.45-23,412.78

Finding the Fourth Proportional to 54,985.32, 82,467.45 and 23,412.78

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Solution

The fourth proportional to 54,985.32, 82,467.45 and 23,412.78 is: 35,114.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,985.32 : 82,467.45 = 23,412.78 : x
  2. Step 2: Convert to fraction form
    54,985.32/82,467.45 = 23,412.78/x
  3. Step 3: Cross multiply
    54,985.32x = 82,467.45 × 23,412.78
  4. Step 4: Simplify right side
    54,985.32x = 1,930,792,264.01
  5. Step 5: Solve for x
    x = 1,930,792,264.01/54,985.32
  6. Step 6: Final answer
    x = 35,114.69

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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.