Home / 50,906.88-70,187.11-42,291.52

Finding the Fourth Proportional to 50,906.88, 70,187.11 and 42,291.52

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Solution

The fourth proportional to 50,906.88, 70,187.11 and 42,291.52 is: 58,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,906.88 : 70,187.11 = 42,291.52 : x
  2. Step 2: Convert to fraction form
    50,906.88/70,187.11 = 42,291.52/x
  3. Step 3: Cross multiply
    50,906.88x = 70,187.11 × 42,291.52
  4. Step 4: Simplify right side
    50,906.88x = 2,968,319,285.11
  5. Step 5: Solve for x
    x = 2,968,319,285.11/50,906.88
  6. Step 6: Final answer
    x = 58,308.80

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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.