Home / 50,739.02-70,023.34-28,078.96

Finding the Fourth Proportional to 50,739.02, 70,023.34 and 28,078.96

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Solution

The fourth proportional to 50,739.02, 70,023.34 and 28,078.96 is: 38,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,739.02 : 70,023.34 = 28,078.96 : x
  2. Step 2: Convert to fraction form
    50,739.02/70,023.34 = 28,078.96/x
  3. Step 3: Cross multiply
    50,739.02x = 70,023.34 × 28,078.96
  4. Step 4: Simplify right side
    50,739.02x = 1,966,182,562.93
  5. Step 5: Solve for x
    x = 1,966,182,562.93/50,739.02
  6. Step 6: Final answer
    x = 38,750.90

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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.