Home / 48,762.78-73,158.18-20,294.19

Finding the Fourth Proportional to 48,762.78, 73,158.18 and 20,294.19

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Solution

The fourth proportional to 48,762.78, 73,158.18 and 20,294.19 is: 30,447.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,762.78 : 73,158.18 = 20,294.19 : x
  2. Step 2: Convert to fraction form
    48,762.78/73,158.18 = 20,294.19/x
  3. Step 3: Cross multiply
    48,762.78x = 73,158.18 × 20,294.19
  4. Step 4: Simplify right side
    48,762.78x = 1,484,686,004.97
  5. Step 5: Solve for x
    x = 1,484,686,004.97/48,762.78
  6. Step 6: Final answer
    x = 30,447.12

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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.