Home / 51,209.81-76,759.23-26,215.58

Finding the Fourth Proportional to 51,209.81, 76,759.23 and 26,215.58

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Solution

The fourth proportional to 51,209.81, 76,759.23 and 26,215.58 is: 39,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,209.81 : 76,759.23 = 26,215.58 : x
  2. Step 2: Convert to fraction form
    51,209.81/76,759.23 = 26,215.58/x
  3. Step 3: Cross multiply
    51,209.81x = 76,759.23 × 26,215.58
  4. Step 4: Simplify right side
    51,209.81x = 2,012,287,734.80
  5. Step 5: Solve for x
    x = 2,012,287,734.80/51,209.81
  6. Step 6: Final answer
    x = 39,294.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.