Home / 51,603.85-71,213.90-28,634.08

Finding the Fourth Proportional to 51,603.85, 71,213.90 and 28,634.08

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Solution

The fourth proportional to 51,603.85, 71,213.90 and 28,634.08 is: 39,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603.85 : 71,213.90 = 28,634.08 : x
  2. Step 2: Convert to fraction form
    51,603.85/71,213.90 = 28,634.08/x
  3. Step 3: Cross multiply
    51,603.85x = 71,213.90 × 28,634.08
  4. Step 4: Simplify right side
    51,603.85x = 2,039,144,544.58
  5. Step 5: Solve for x
    x = 2,039,144,544.58/51,603.85
  6. Step 6: Final answer
    x = 39,515.36

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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.