Home / 50,932.28-70,283.28-28,271.30

Finding the Fourth Proportional to 50,932.28, 70,283.28 and 28,271.30

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Solution

The fourth proportional to 50,932.28, 70,283.28 and 28,271.30 is: 39,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,932.28 : 70,283.28 = 28,271.30 : x
  2. Step 2: Convert to fraction form
    50,932.28/70,283.28 = 28,271.30/x
  3. Step 3: Cross multiply
    50,932.28x = 70,283.28 × 28,271.30
  4. Step 4: Simplify right side
    50,932.28x = 1,986,999,693.86
  5. Step 5: Solve for x
    x = 1,986,999,693.86/50,932.28
  6. Step 6: Final answer
    x = 39,012.58

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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.