Home / 50,911.43-70,256.72-28,250.24

Finding the Fourth Proportional to 50,911.43, 70,256.72 and 28,250.24

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Solution

The fourth proportional to 50,911.43, 70,256.72 and 28,250.24 is: 38,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,911.43 : 70,256.72 = 28,250.24 : x
  2. Step 2: Convert to fraction form
    50,911.43/70,256.72 = 28,250.24/x
  3. Step 3: Cross multiply
    50,911.43x = 70,256.72 × 28,250.24
  4. Step 4: Simplify right side
    50,911.43x = 1,984,768,709.08
  5. Step 5: Solve for x
    x = 1,984,768,709.08/50,911.43
  6. Step 6: Final answer
    x = 38,984.74

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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.