Home / 50,309.64-75,431.34-28,125.36

Finding the Fourth Proportional to 50,309.64, 75,431.34 and 28,125.36

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Solution

The fourth proportional to 50,309.64, 75,431.34 and 28,125.36 is: 42,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,309.64 : 75,431.34 = 28,125.36 : x
  2. Step 2: Convert to fraction form
    50,309.64/75,431.34 = 28,125.36/x
  3. Step 3: Cross multiply
    50,309.64x = 75,431.34 × 28,125.36
  4. Step 4: Simplify right side
    50,309.64x = 2,121,533,592.78
  5. Step 5: Solve for x
    x = 2,121,533,592.78/50,309.64
  6. Step 6: Final answer
    x = 42,169.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.