Home / 34,780.37-47,996.93-18,864.88

Finding the Fourth Proportional to 34,780.37, 47,996.93 and 18,864.88

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Solution

The fourth proportional to 34,780.37, 47,996.93 and 18,864.88 is: 26,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,780.37 : 47,996.93 = 18,864.88 : x
  2. Step 2: Convert to fraction form
    34,780.37/47,996.93 = 18,864.88/x
  3. Step 3: Cross multiply
    34,780.37x = 47,996.93 × 18,864.88
  4. Step 4: Simplify right side
    34,780.37x = 905,456,251.99
  5. Step 5: Solve for x
    x = 905,456,251.99/34,780.37
  6. Step 6: Final answer
    x = 26,033.55

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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.