Home / 50,820.32-70,134.65-30,676.94

Finding the Fourth Proportional to 50,820.32, 70,134.65 and 30,676.94

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Solution

The fourth proportional to 50,820.32, 70,134.65 and 30,676.94 is: 42,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.32 : 70,134.65 = 30,676.94 : x
  2. Step 2: Convert to fraction form
    50,820.32/70,134.65 = 30,676.94/x
  3. Step 3: Cross multiply
    50,820.32x = 70,134.65 × 30,676.94
  4. Step 4: Simplify right side
    50,820.32x = 2,151,516,449.97
  5. Step 5: Solve for x
    x = 2,151,516,449.97/50,820.32
  6. Step 6: Final answer
    x = 42,335.75

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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.