Home / 45,637.92-68,456.88-28,113.84

Finding the Fourth Proportional to 45,637.92, 68,456.88 and 28,113.84

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Solution

The fourth proportional to 45,637.92, 68,456.88 and 28,113.84 is: 42,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,637.92 : 68,456.88 = 28,113.84 : x
  2. Step 2: Convert to fraction form
    45,637.92/68,456.88 = 28,113.84/x
  3. Step 3: Cross multiply
    45,637.92x = 68,456.88 × 28,113.84
  4. Step 4: Simplify right side
    45,637.92x = 1,924,585,771.22
  5. Step 5: Solve for x
    x = 1,924,585,771.22/45,637.92
  6. Step 6: Final answer
    x = 42,170.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.