Home / 50,489.66-69,677.15-28,981.26

Finding the Fourth Proportional to 50,489.66, 69,677.15 and 28,981.26

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Solution

The fourth proportional to 50,489.66, 69,677.15 and 28,981.26 is: 39,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,489.66 : 69,677.15 = 28,981.26 : x
  2. Step 2: Convert to fraction form
    50,489.66/69,677.15 = 28,981.26/x
  3. Step 3: Cross multiply
    50,489.66x = 69,677.15 × 28,981.26
  4. Step 4: Simplify right side
    50,489.66x = 2,019,331,455.30
  5. Step 5: Solve for x
    x = 2,019,331,455.30/50,489.66
  6. Step 6: Final answer
    x = 39,994.95

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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.