Home / 50,012.86-69,035.13-28,800.58

Finding the Fourth Proportional to 50,012.86, 69,035.13 and 28,800.58

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Solution

The fourth proportional to 50,012.86, 69,035.13 and 28,800.58 is: 39,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,012.86 : 69,035.13 = 28,800.58 : x
  2. Step 2: Convert to fraction form
    50,012.86/69,035.13 = 28,800.58/x
  3. Step 3: Cross multiply
    50,012.86x = 69,035.13 × 28,800.58
  4. Step 4: Simplify right side
    50,012.86x = 1,988,251,784.38
  5. Step 5: Solve for x
    x = 1,988,251,784.38/50,012.86
  6. Step 6: Final answer
    x = 39,754.81

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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.