Home / 50,020.82-69,019.20-28,510.16

Finding the Fourth Proportional to 50,020.82, 69,019.20 and 28,510.16

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Solution

The fourth proportional to 50,020.82, 69,019.20 and 28,510.16 is: 39,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,020.82 : 69,019.20 = 28,510.16 : x
  2. Step 2: Convert to fraction form
    50,020.82/69,019.20 = 28,510.16/x
  3. Step 3: Cross multiply
    50,020.82x = 69,019.20 × 28,510.16
  4. Step 4: Simplify right side
    50,020.82x = 1,967,748,435.07
  5. Step 5: Solve for x
    x = 1,967,748,435.07/50,020.82
  6. Step 6: Final answer
    x = 39,338.59

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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.