Home / 50,936.55-70,284.93-28,275.72

Finding the Fourth Proportional to 50,936.55, 70,284.93 and 28,275.72

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Solution

The fourth proportional to 50,936.55, 70,284.93 and 28,275.72 is: 39,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,936.55 : 70,284.93 = 28,275.72 : x
  2. Step 2: Convert to fraction form
    50,936.55/70,284.93 = 28,275.72/x
  3. Step 3: Cross multiply
    50,936.55x = 70,284.93 × 28,275.72
  4. Step 4: Simplify right side
    50,936.55x = 1,987,357,000.90
  5. Step 5: Solve for x
    x = 1,987,357,000.90/50,936.55
  6. Step 6: Final answer
    x = 39,016.33

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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.