Home / 50,780.08-70,074.20-28,117.48

Finding the Fourth Proportional to 50,780.08, 70,074.20 and 28,117.48

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Solution

The fourth proportional to 50,780.08, 70,074.20 and 28,117.48 is: 38,800.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,780.08 : 70,074.20 = 28,117.48 : x
  2. Step 2: Convert to fraction form
    50,780.08/70,074.20 = 28,117.48/x
  3. Step 3: Cross multiply
    50,780.08x = 70,074.20 × 28,117.48
  4. Step 4: Simplify right side
    50,780.08x = 1,970,309,917.02
  5. Step 5: Solve for x
    x = 1,970,309,917.02/50,780.08
  6. Step 6: Final answer
    x = 38,800.84

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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.