Home / 50,938.86-70,296.24-28,278.30

Finding the Fourth Proportional to 50,938.86, 70,296.24 and 28,278.30

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Solution

The fourth proportional to 50,938.86, 70,296.24 and 28,278.30 is: 39,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,938.86 : 70,296.24 = 28,278.30 : x
  2. Step 2: Convert to fraction form
    50,938.86/70,296.24 = 28,278.30/x
  3. Step 3: Cross multiply
    50,938.86x = 70,296.24 × 28,278.30
  4. Step 4: Simplify right side
    50,938.86x = 1,987,858,163.59
  5. Step 5: Solve for x
    x = 1,987,858,163.59/50,938.86
  6. Step 6: Final answer
    x = 39,024.39

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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.