Home / 34,746.75-47,924.28-21,829.78

Finding the Fourth Proportional to 34,746.75, 47,924.28 and 21,829.78

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Solution

The fourth proportional to 34,746.75, 47,924.28 and 21,829.78 is: 30,108.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,746.75 : 47,924.28 = 21,829.78 : x
  2. Step 2: Convert to fraction form
    34,746.75/47,924.28 = 21,829.78/x
  3. Step 3: Cross multiply
    34,746.75x = 47,924.28 × 21,829.78
  4. Step 4: Simplify right side
    34,746.75x = 1,046,176,489.06
  5. Step 5: Solve for x
    x = 1,046,176,489.06/34,746.75
  6. Step 6: Final answer
    x = 30,108.61

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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.