Home / 38,260.31-57,341.84-21,629.66

Finding the Fourth Proportional to 38,260.31, 57,341.84 and 21,629.66

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Solution

The fourth proportional to 38,260.31, 57,341.84 and 21,629.66 is: 32,416.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,260.31 : 57,341.84 = 21,629.66 : x
  2. Step 2: Convert to fraction form
    38,260.31/57,341.84 = 21,629.66/x
  3. Step 3: Cross multiply
    38,260.31x = 57,341.84 × 21,629.66
  4. Step 4: Simplify right side
    38,260.31x = 1,240,284,108.12
  5. Step 5: Solve for x
    x = 1,240,284,108.12/38,260.31
  6. Step 6: Final answer
    x = 32,416.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.