Home / 38,174.90-52,681.68-21,180.26

Finding the Fourth Proportional to 38,174.90, 52,681.68 and 21,180.26

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Solution

The fourth proportional to 38,174.90, 52,681.68 and 21,180.26 is: 29,228.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.90 : 52,681.68 = 21,180.26 : x
  2. Step 2: Convert to fraction form
    38,174.90/52,681.68 = 21,180.26/x
  3. Step 3: Cross multiply
    38,174.90x = 52,681.68 × 21,180.26
  4. Step 4: Simplify right side
    38,174.90x = 1,115,811,679.64
  5. Step 5: Solve for x
    x = 1,115,811,679.64/38,174.90
  6. Step 6: Final answer
    x = 29,228.94

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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.