Home / 50,266.82-75,753.26-45,275.45

Finding the Fourth Proportional to 50,266.82, 75,753.26 and 45,275.45

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Solution

The fourth proportional to 50,266.82, 75,753.26 and 45,275.45 is: 68,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,266.82 : 75,753.26 = 45,275.45 : x
  2. Step 2: Convert to fraction form
    50,266.82/75,753.26 = 45,275.45/x
  3. Step 3: Cross multiply
    50,266.82x = 75,753.26 × 45,275.45
  4. Step 4: Simplify right side
    50,266.82x = 3,429,762,330.32
  5. Step 5: Solve for x
    x = 3,429,762,330.32/50,266.82
  6. Step 6: Final answer
    x = 68,231.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.