Home / 50,778.74-70,076.86-28,117.73

Finding the Fourth Proportional to 50,778.74, 70,076.86 and 28,117.73

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Solution

The fourth proportional to 50,778.74, 70,076.86 and 28,117.73 is: 38,803.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,778.74 : 70,076.86 = 28,117.73 : x
  2. Step 2: Convert to fraction form
    50,778.74/70,076.86 = 28,117.73/x
  3. Step 3: Cross multiply
    50,778.74x = 70,076.86 × 28,117.73
  4. Step 4: Simplify right side
    50,778.74x = 1,970,402,228.73
  5. Step 5: Solve for x
    x = 1,970,402,228.73/50,778.74
  6. Step 6: Final answer
    x = 38,803.68

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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.