Home / 50,066.78-69,068.82-28,833.74

Finding the Fourth Proportional to 50,066.78, 69,068.82 and 28,833.74

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Solution

The fourth proportional to 50,066.78, 69,068.82 and 28,833.74 is: 39,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,066.78 : 69,068.82 = 28,833.74 : x
  2. Step 2: Convert to fraction form
    50,066.78/69,068.82 = 28,833.74/x
  3. Step 3: Cross multiply
    50,066.78x = 69,068.82 × 28,833.74
  4. Step 4: Simplify right side
    50,066.78x = 1,991,512,397.99
  5. Step 5: Solve for x
    x = 1,991,512,397.99/50,066.78
  6. Step 6: Final answer
    x = 39,777.12

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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.