Home / 50,690.86-69,950.56-28,028.48

Finding the Fourth Proportional to 50,690.86, 69,950.56 and 28,028.48

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Solution

The fourth proportional to 50,690.86, 69,950.56 and 28,028.48 is: 38,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,690.86 : 69,950.56 = 28,028.48 : x
  2. Step 2: Convert to fraction form
    50,690.86/69,950.56 = 28,028.48/x
  3. Step 3: Cross multiply
    50,690.86x = 69,950.56 × 28,028.48
  4. Step 4: Simplify right side
    50,690.86x = 1,960,607,871.95
  5. Step 5: Solve for x
    x = 1,960,607,871.95/50,690.86
  6. Step 6: Final answer
    x = 38,677.74

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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.