Home / 38,308.24-52,866.64-21,081.29

Finding the Fourth Proportional to 38,308.24, 52,866.64 and 21,081.29

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Solution

The fourth proportional to 38,308.24, 52,866.64 and 21,081.29 is: 29,092.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308.24 : 52,866.64 = 21,081.29 : x
  2. Step 2: Convert to fraction form
    38,308.24/52,866.64 = 21,081.29/x
  3. Step 3: Cross multiply
    38,308.24x = 52,866.64 × 21,081.29
  4. Step 4: Simplify right side
    38,308.24x = 1,114,496,969.17
  5. Step 5: Solve for x
    x = 1,114,496,969.17/38,308.24
  6. Step 6: Final answer
    x = 29,092.88

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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.