Home / 38,175.31-57,520.37-31,656.43

Finding the Fourth Proportional to 38,175.31, 57,520.37 and 31,656.43

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Solution

The fourth proportional to 38,175.31, 57,520.37 and 31,656.43 is: 47,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,175.31 : 57,520.37 = 31,656.43 : x
  2. Step 2: Convert to fraction form
    38,175.31/57,520.37 = 31,656.43/x
  3. Step 3: Cross multiply
    38,175.31x = 57,520.37 × 31,656.43
  4. Step 4: Simplify right side
    38,175.31x = 1,820,889,566.48
  5. Step 5: Solve for x
    x = 1,820,889,566.48/38,175.31
  6. Step 6: Final answer
    x = 47,698.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.