Home / 50,784.18-70,081.30-28,122.68

Finding the Fourth Proportional to 50,784.18, 70,081.30 and 28,122.68

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Solution

The fourth proportional to 50,784.18, 70,081.30 and 28,122.68 is: 38,808.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,784.18 : 70,081.30 = 28,122.68 : x
  2. Step 2: Convert to fraction form
    50,784.18/70,081.30 = 28,122.68/x
  3. Step 3: Cross multiply
    50,784.18x = 70,081.30 × 28,122.68
  4. Step 4: Simplify right side
    50,784.18x = 1,970,873,833.27
  5. Step 5: Solve for x
    x = 1,970,873,833.27/50,784.18
  6. Step 6: Final answer
    x = 38,808.82

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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.