Home / 48,181.61-72,293.09-18,620.20

Finding the Fourth Proportional to 48,181.61, 72,293.09 and 18,620.20

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Solution

The fourth proportional to 48,181.61, 72,293.09 and 18,620.20 is: 27,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,181.61 : 72,293.09 = 18,620.20 : x
  2. Step 2: Convert to fraction form
    48,181.61/72,293.09 = 18,620.20/x
  3. Step 3: Cross multiply
    48,181.61x = 72,293.09 × 18,620.20
  4. Step 4: Simplify right side
    48,181.61x = 1,346,111,794.42
  5. Step 5: Solve for x
    x = 1,346,111,794.42/48,181.61
  6. Step 6: Final answer
    x = 27,938.29

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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.