Home / 50,748.27-70,032.78-28,086.90

Finding the Fourth Proportional to 50,748.27, 70,032.78 and 28,086.90

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Solution

The fourth proportional to 50,748.27, 70,032.78 and 28,086.90 is: 38,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,748.27 : 70,032.78 = 28,086.90 : x
  2. Step 2: Convert to fraction form
    50,748.27/70,032.78 = 28,086.90/x
  3. Step 3: Cross multiply
    50,748.27x = 70,032.78 × 28,086.90
  4. Step 4: Simplify right side
    50,748.27x = 1,967,003,688.58
  5. Step 5: Solve for x
    x = 1,967,003,688.58/50,748.27
  6. Step 6: Final answer
    x = 38,760.01

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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.