Home / 48,273.48-72,410.31-20,178.18

Finding the Fourth Proportional to 48,273.48, 72,410.31 and 20,178.18

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Solution

The fourth proportional to 48,273.48, 72,410.31 and 20,178.18 is: 30,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,273.48 : 72,410.31 = 20,178.18 : x
  2. Step 2: Convert to fraction form
    48,273.48/72,410.31 = 20,178.18/x
  3. Step 3: Cross multiply
    48,273.48x = 72,410.31 × 20,178.18
  4. Step 4: Simplify right side
    48,273.48x = 1,461,108,269.04
  5. Step 5: Solve for x
    x = 1,461,108,269.04/48,273.48
  6. Step 6: Final answer
    x = 30,267.31

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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.