Home / 34,675.20-47,851.78-18,759.64

Finding the Fourth Proportional to 34,675.20, 47,851.78 and 18,759.64

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Solution

The fourth proportional to 34,675.20, 47,851.78 and 18,759.64 is: 25,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,675.20 : 47,851.78 = 18,759.64 : x
  2. Step 2: Convert to fraction form
    34,675.20/47,851.78 = 18,759.64/x
  3. Step 3: Cross multiply
    34,675.20x = 47,851.78 × 18,759.64
  4. Step 4: Simplify right side
    34,675.20x = 897,682,166.16
  5. Step 5: Solve for x
    x = 897,682,166.16/34,675.20
  6. Step 6: Final answer
    x = 25,888.31

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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.