Home / 34,429.25-47,512.17-19,321.89

Finding the Fourth Proportional to 34,429.25, 47,512.17 and 19,321.89

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Solution

The fourth proportional to 34,429.25, 47,512.17 and 19,321.89 is: 26,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,429.25 : 47,512.17 = 19,321.89 : x
  2. Step 2: Convert to fraction form
    34,429.25/47,512.17 = 19,321.89/x
  3. Step 3: Cross multiply
    34,429.25x = 47,512.17 × 19,321.89
  4. Step 4: Simplify right side
    34,429.25x = 918,024,922.40
  5. Step 5: Solve for x
    x = 918,024,922.40/34,429.25
  6. Step 6: Final answer
    x = 26,664.10

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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.