Home / 34,135.92-47,108.52-19,989.36

Finding the Fourth Proportional to 34,135.92, 47,108.52 and 19,989.36

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Solution

The fourth proportional to 34,135.92, 47,108.52 and 19,989.36 is: 27,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,135.92 : 47,108.52 = 19,989.36 : x
  2. Step 2: Convert to fraction form
    34,135.92/47,108.52 = 19,989.36/x
  3. Step 3: Cross multiply
    34,135.92x = 47,108.52 × 19,989.36
  4. Step 4: Simplify right side
    34,135.92x = 941,669,165.35
  5. Step 5: Solve for x
    x = 941,669,165.35/34,135.92
  6. Step 6: Final answer
    x = 27,585.87

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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.