Home / 48,280.59-72,389.79-20,193.03

Finding the Fourth Proportional to 48,280.59, 72,389.79 and 20,193.03

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Solution

The fourth proportional to 48,280.59, 72,389.79 and 20,193.03 is: 30,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,280.59 : 72,389.79 = 20,193.03 : x
  2. Step 2: Convert to fraction form
    48,280.59/72,389.79 = 20,193.03/x
  3. Step 3: Cross multiply
    48,280.59x = 72,389.79 × 20,193.03
  4. Step 4: Simplify right side
    48,280.59x = 1,461,769,201.16
  5. Step 5: Solve for x
    x = 1,461,769,201.16/48,280.59
  6. Step 6: Final answer
    x = 30,276.54

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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.