Home / 50,728.06-70,004.67-28,372.06

Finding the Fourth Proportional to 50,728.06, 70,004.67 and 28,372.06

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Solution

The fourth proportional to 50,728.06, 70,004.67 and 28,372.06 is: 39,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,728.06 : 70,004.67 = 28,372.06 : x
  2. Step 2: Convert to fraction form
    50,728.06/70,004.67 = 28,372.06/x
  3. Step 3: Cross multiply
    50,728.06x = 70,004.67 × 28,372.06
  4. Step 4: Simplify right side
    50,728.06x = 1,986,176,697.52
  5. Step 5: Solve for x
    x = 1,986,176,697.52/50,728.06
  6. Step 6: Final answer
    x = 39,153.41

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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.