Home / 34,731.09-47,928.75-18,815.58

Finding the Fourth Proportional to 34,731.09, 47,928.75 and 18,815.58

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Solution

The fourth proportional to 34,731.09, 47,928.75 and 18,815.58 is: 25,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,731.09 : 47,928.75 = 18,815.58 : x
  2. Step 2: Convert to fraction form
    34,731.09/47,928.75 = 18,815.58/x
  3. Step 3: Cross multiply
    34,731.09x = 47,928.75 × 18,815.58
  4. Step 4: Simplify right side
    34,731.09x = 901,807,229.93
  5. Step 5: Solve for x
    x = 901,807,229.93/34,731.09
  6. Step 6: Final answer
    x = 25,965.42

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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.