Home / 50,871.28-70,206.48-28,212.52

Finding the Fourth Proportional to 50,871.28, 70,206.48 and 28,212.52

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Solution

The fourth proportional to 50,871.28, 70,206.48 and 28,212.52 is: 38,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,871.28 : 70,206.48 = 28,212.52 : x
  2. Step 2: Convert to fraction form
    50,871.28/70,206.48 = 28,212.52/x
  3. Step 3: Cross multiply
    50,871.28x = 70,206.48 × 28,212.52
  4. Step 4: Simplify right side
    50,871.28x = 1,980,701,721.13
  5. Step 5: Solve for x
    x = 1,980,701,721.13/50,871.28
  6. Step 6: Final answer
    x = 38,935.56

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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.