Home / 49,985.71-75,008.78-21,907.36

Finding the Fourth Proportional to 49,985.71, 75,008.78 and 21,907.36

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Solution

The fourth proportional to 49,985.71, 75,008.78 and 21,907.36 is: 32,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,985.71 : 75,008.78 = 21,907.36 : x
  2. Step 2: Convert to fraction form
    49,985.71/75,008.78 = 21,907.36/x
  3. Step 3: Cross multiply
    49,985.71x = 75,008.78 × 21,907.36
  4. Step 4: Simplify right side
    49,985.71x = 1,643,244,536.23
  5. Step 5: Solve for x
    x = 1,643,244,536.23/49,985.71
  6. Step 6: Final answer
    x = 32,874.29

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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.