Home / 50,760.72-70,047.72-28,403.28

Finding the Fourth Proportional to 50,760.72, 70,047.72 and 28,403.28

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Solution

The fourth proportional to 50,760.72, 70,047.72 and 28,403.28 is: 39,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,760.72 : 70,047.72 = 28,403.28 : x
  2. Step 2: Convert to fraction form
    50,760.72/70,047.72 = 28,403.28/x
  3. Step 3: Cross multiply
    50,760.72x = 70,047.72 × 28,403.28
  4. Step 4: Simplify right side
    50,760.72x = 1,989,585,004.52
  5. Step 5: Solve for x
    x = 1,989,585,004.52/50,760.72
  6. Step 6: Final answer
    x = 39,195.37

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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.