Home / 50,780.34-70,076.01-28,118.85

Finding the Fourth Proportional to 50,780.34, 70,076.01 and 28,118.85

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Solution

The fourth proportional to 50,780.34, 70,076.01 and 28,118.85 is: 38,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,780.34 : 70,076.01 = 28,118.85 : x
  2. Step 2: Convert to fraction form
    50,780.34/70,076.01 = 28,118.85/x
  3. Step 3: Cross multiply
    50,780.34x = 70,076.01 × 28,118.85
  4. Step 4: Simplify right side
    50,780.34x = 1,970,456,498.28
  5. Step 5: Solve for x
    x = 1,970,456,498.28/50,780.34
  6. Step 6: Final answer
    x = 38,803.53

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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.