Home / 39,476.90-54,475.84-21,572.06

Finding the Fourth Proportional to 39,476.90, 54,475.84 and 21,572.06

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Solution

The fourth proportional to 39,476.90, 54,475.84 and 21,572.06 is: 29,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,476.90 : 54,475.84 = 21,572.06 : x
  2. Step 2: Convert to fraction form
    39,476.90/54,475.84 = 21,572.06/x
  3. Step 3: Cross multiply
    39,476.90x = 54,475.84 × 21,572.06
  4. Step 4: Simplify right side
    39,476.90x = 1,175,155,816.65
  5. Step 5: Solve for x
    x = 1,175,155,816.65/39,476.90
  6. Step 6: Final answer
    x = 29,768.19

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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.