Home / 50,933.55-70,287.21-28,271.22

Finding the Fourth Proportional to 50,933.55, 70,287.21 and 28,271.22

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Solution

The fourth proportional to 50,933.55, 70,287.21 and 28,271.22 is: 39,013.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,933.55 : 70,287.21 = 28,271.22 : x
  2. Step 2: Convert to fraction form
    50,933.55/70,287.21 = 28,271.22/x
  3. Step 3: Cross multiply
    50,933.55x = 70,287.21 × 28,271.22
  4. Step 4: Simplify right side
    50,933.55x = 1,987,105,177.10
  5. Step 5: Solve for x
    x = 1,987,105,177.10/50,933.55
  6. Step 6: Final answer
    x = 39,013.68

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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.