Home / 50,822.11-70,133.47-28,160.90

Finding the Fourth Proportional to 50,822.11, 70,133.47 and 28,160.90

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Solution

The fourth proportional to 50,822.11, 70,133.47 and 28,160.90 is: 38,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,822.11 : 70,133.47 = 28,160.90 : x
  2. Step 2: Convert to fraction form
    50,822.11/70,133.47 = 28,160.90/x
  3. Step 3: Cross multiply
    50,822.11x = 70,133.47 × 28,160.90
  4. Step 4: Simplify right side
    50,822.11x = 1,975,021,871.75
  5. Step 5: Solve for x
    x = 1,975,021,871.75/50,822.11
  6. Step 6: Final answer
    x = 38,861.47

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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.