Home / 19,531.31-29,296.97-4,740.24

Finding the Fourth Proportional to 19,531.31, 29,296.97 and 4,740.24

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Solution

The fourth proportional to 19,531.31, 29,296.97 and 4,740.24 is: 7,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.31 : 29,296.97 = 4,740.24 : x
  2. Step 2: Convert to fraction form
    19,531.31/29,296.97 = 4,740.24/x
  3. Step 3: Cross multiply
    19,531.31x = 29,296.97 × 4,740.24
  4. Step 4: Simplify right side
    19,531.31x = 138,874,593.98
  5. Step 5: Solve for x
    x = 138,874,593.98/19,531.31
  6. Step 6: Final answer
    x = 7,110.36

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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.