Home / 50,301.19-69,415.43-28,790.83

Finding the Fourth Proportional to 50,301.19, 69,415.43 and 28,790.83

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Solution

The fourth proportional to 50,301.19, 69,415.43 and 28,790.83 is: 39,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,301.19 : 69,415.43 = 28,790.83 : x
  2. Step 2: Convert to fraction form
    50,301.19/69,415.43 = 28,790.83/x
  3. Step 3: Cross multiply
    50,301.19x = 69,415.43 × 28,790.83
  4. Step 4: Simplify right side
    50,301.19x = 1,998,527,558.81
  5. Step 5: Solve for x
    x = 1,998,527,558.81/50,301.19
  6. Step 6: Final answer
    x = 39,731.22

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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.