Home / 34,228.71-47,237.45-19,121.70

Finding the Fourth Proportional to 34,228.71, 47,237.45 and 19,121.70

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Solution

The fourth proportional to 34,228.71, 47,237.45 and 19,121.70 is: 26,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,228.71 : 47,237.45 = 19,121.70 : x
  2. Step 2: Convert to fraction form
    34,228.71/47,237.45 = 19,121.70/x
  3. Step 3: Cross multiply
    34,228.71x = 47,237.45 × 19,121.70
  4. Step 4: Simplify right side
    34,228.71x = 903,260,429.20
  5. Step 5: Solve for x
    x = 903,260,429.20/34,228.71
  6. Step 6: Final answer
    x = 26,388.97

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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.