Home / 50,760.60-70,049.76-28,101.15

Finding the Fourth Proportional to 50,760.60, 70,049.76 and 28,101.15

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Solution

The fourth proportional to 50,760.60, 70,049.76 and 28,101.15 is: 38,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,760.60 : 70,049.76 = 28,101.15 : x
  2. Step 2: Convert to fraction form
    50,760.60/70,049.76 = 28,101.15/x
  3. Step 3: Cross multiply
    50,760.60x = 70,049.76 × 28,101.15
  4. Step 4: Simplify right side
    50,760.60x = 1,968,478,813.22
  5. Step 5: Solve for x
    x = 1,968,478,813.22/50,760.60
  6. Step 6: Final answer
    x = 38,779.66

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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.