Home / 39,490.04-54,494.62-21,585.68

Finding the Fourth Proportional to 39,490.04, 54,494.62 and 21,585.68

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Solution

The fourth proportional to 39,490.04, 54,494.62 and 21,585.68 is: 29,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,490.04 : 54,494.62 = 21,585.68 : x
  2. Step 2: Convert to fraction form
    39,490.04/54,494.62 = 21,585.68/x
  3. Step 3: Cross multiply
    39,490.04x = 54,494.62 × 21,585.68
  4. Step 4: Simplify right side
    39,490.04x = 1,176,303,429.04
  5. Step 5: Solve for x
    x = 1,176,303,429.04/39,490.04
  6. Step 6: Final answer
    x = 29,787.34

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