Home / 50,068.40-69,089.62-29,921.28

Finding the Fourth Proportional to 50,068.40, 69,089.62 and 29,921.28

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Solution

The fourth proportional to 50,068.40, 69,089.62 and 29,921.28 is: 41,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,068.40 : 69,089.62 = 29,921.28 : x
  2. Step 2: Convert to fraction form
    50,068.40/69,089.62 = 29,921.28/x
  3. Step 3: Cross multiply
    50,068.40x = 69,089.62 × 29,921.28
  4. Step 4: Simplify right side
    50,068.40x = 2,067,249,865.11
  5. Step 5: Solve for x
    x = 2,067,249,865.11/50,068.40
  6. Step 6: Final answer
    x = 41,288.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.