Home / 34,691.31-47,876.16-19,578.45

Finding the Fourth Proportional to 34,691.31, 47,876.16 and 19,578.45

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Solution

The fourth proportional to 34,691.31, 47,876.16 and 19,578.45 is: 27,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,691.31 : 47,876.16 = 19,578.45 : x
  2. Step 2: Convert to fraction form
    34,691.31/47,876.16 = 19,578.45/x
  3. Step 3: Cross multiply
    34,691.31x = 47,876.16 × 19,578.45
  4. Step 4: Simplify right side
    34,691.31x = 937,341,004.75
  5. Step 5: Solve for x
    x = 937,341,004.75/34,691.31
  6. Step 6: Final answer
    x = 27,019.48

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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.