Home / 38,174.51-52,681.25-21,179.16

Finding the Fourth Proportional to 38,174.51, 52,681.25 and 21,179.16

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Solution

The fourth proportional to 38,174.51, 52,681.25 and 21,179.16 is: 29,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.51 : 52,681.25 = 21,179.16 : x
  2. Step 2: Convert to fraction form
    38,174.51/52,681.25 = 21,179.16/x
  3. Step 3: Cross multiply
    38,174.51x = 52,681.25 × 21,179.16
  4. Step 4: Simplify right side
    38,174.51x = 1,115,744,675.70
  5. Step 5: Solve for x
    x = 1,115,744,675.70/38,174.51
  6. Step 6: Final answer
    x = 29,227.48

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1.5x scale

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.