Home / 34,735.60-47,934.75-18,819.10

Finding the Fourth Proportional to 34,735.60, 47,934.75 and 18,819.10

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Solution

The fourth proportional to 34,735.60, 47,934.75 and 18,819.10 is: 25,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,735.60 : 47,934.75 = 18,819.10 : x
  2. Step 2: Convert to fraction form
    34,735.60/47,934.75 = 18,819.10/x
  3. Step 3: Cross multiply
    34,735.60x = 47,934.75 × 18,819.10
  4. Step 4: Simplify right side
    34,735.60x = 902,088,853.73
  5. Step 5: Solve for x
    x = 902,088,853.73/34,735.60
  6. Step 6: Final answer
    x = 25,970.15

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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.