Home / 50,934.86-70,290.72-28,274.30

Finding the Fourth Proportional to 50,934.86, 70,290.72 and 28,274.30

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Solution

The fourth proportional to 50,934.86, 70,290.72 and 28,274.30 is: 39,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,934.86 : 70,290.72 = 28,274.30 : x
  2. Step 2: Convert to fraction form
    50,934.86/70,290.72 = 28,274.30/x
  3. Step 3: Cross multiply
    50,934.86x = 70,290.72 × 28,274.30
  4. Step 4: Simplify right side
    50,934.86x = 1,987,420,904.50
  5. Step 5: Solve for x
    x = 1,987,420,904.50/50,934.86
  6. Step 6: Final answer
    x = 39,018.87

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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.