Home / 54,569.96-81,870.72-19,512.36

Finding the Fourth Proportional to 54,569.96, 81,870.72 and 19,512.36

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Solution

The fourth proportional to 54,569.96, 81,870.72 and 19,512.36 is: 29,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,569.96 : 81,870.72 = 19,512.36 : x
  2. Step 2: Convert to fraction form
    54,569.96/81,870.72 = 19,512.36/x
  3. Step 3: Cross multiply
    54,569.96x = 81,870.72 × 19,512.36
  4. Step 4: Simplify right side
    54,569.96x = 1,597,490,962.10
  5. Step 5: Solve for x
    x = 1,597,490,962.10/54,569.96
  6. Step 6: Final answer
    x = 29,274.18

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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.