Home / 51,265.26-70,745.81-28,909.26

Finding the Fourth Proportional to 51,265.26, 70,745.81 and 28,909.26

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Solution

The fourth proportional to 51,265.26, 70,745.81 and 28,909.26 is: 39,894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,265.26 : 70,745.81 = 28,909.26 : x
  2. Step 2: Convert to fraction form
    51,265.26/70,745.81 = 28,909.26/x
  3. Step 3: Cross multiply
    51,265.26x = 70,745.81 × 28,909.26
  4. Step 4: Simplify right side
    51,265.26x = 2,045,208,870.65
  5. Step 5: Solve for x
    x = 2,045,208,870.65/51,265.26
  6. Step 6: Final answer
    x = 39,894.64

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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.