Home / 50,020.31-75,040.59-20,440.53

Finding the Fourth Proportional to 50,020.31, 75,040.59 and 20,440.53

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Solution

The fourth proportional to 50,020.31, 75,040.59 and 20,440.53 is: 30,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,020.31 : 75,040.59 = 20,440.53 : x
  2. Step 2: Convert to fraction form
    50,020.31/75,040.59 = 20,440.53/x
  3. Step 3: Cross multiply
    50,020.31x = 75,040.59 × 20,440.53
  4. Step 4: Simplify right side
    50,020.31x = 1,533,869,431.11
  5. Step 5: Solve for x
    x = 1,533,869,431.11/50,020.31
  6. Step 6: Final answer
    x = 30,664.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.