Home / 34,059.78-47,003.61-21,308.88

Finding the Fourth Proportional to 34,059.78, 47,003.61 and 21,308.88

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Solution

The fourth proportional to 34,059.78, 47,003.61 and 21,308.88 is: 29,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,059.78 : 47,003.61 = 21,308.88 : x
  2. Step 2: Convert to fraction form
    34,059.78/47,003.61 = 21,308.88/x
  3. Step 3: Cross multiply
    34,059.78x = 47,003.61 × 21,308.88
  4. Step 4: Simplify right side
    34,059.78x = 1,001,594,285.06
  5. Step 5: Solve for x
    x = 1,001,594,285.06/34,059.78
  6. Step 6: Final answer
    x = 29,406.95

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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.