Home / 50,104.36-68,986.65-42,535

Finding the Fourth Proportional to 50,104.36, 68,986.65 and 42,535

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Solution

The fourth proportional to 50,104.36, 68,986.65 and 42,535 is: 58,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,104.36 : 68,986.65 = 42,535 : x
  2. Step 2: Convert to fraction form
    50,104.36/68,986.65 = 42,535/x
  3. Step 3: Cross multiply
    50,104.36x = 68,986.65 × 42,535
  4. Step 4: Simplify right side
    50,104.36x = 2,934,347,157.75
  5. Step 5: Solve for x
    x = 2,934,347,157.75/50,104.36
  6. Step 6: Final answer
    x = 58,564.71

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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.