Home / 50,265.76-69,364.03-28,755.93

Finding the Fourth Proportional to 50,265.76, 69,364.03 and 28,755.93

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Solution

The fourth proportional to 50,265.76, 69,364.03 and 28,755.93 is: 39,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,265.76 : 69,364.03 = 28,755.93 : x
  2. Step 2: Convert to fraction form
    50,265.76/69,364.03 = 28,755.93/x
  3. Step 3: Cross multiply
    50,265.76x = 69,364.03 × 28,755.93
  4. Step 4: Simplify right side
    50,265.76x = 1,994,627,191.20
  5. Step 5: Solve for x
    x = 1,994,627,191.20/50,265.76
  6. Step 6: Final answer
    x = 39,681.63

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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.