Home / 48,181.74-72,293.28-18,620.34

Finding the Fourth Proportional to 48,181.74, 72,293.28 and 18,620.34

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Solution

The fourth proportional to 48,181.74, 72,293.28 and 18,620.34 is: 27,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,181.74 : 72,293.28 = 18,620.34 : x
  2. Step 2: Convert to fraction form
    48,181.74/72,293.28 = 18,620.34/x
  3. Step 3: Cross multiply
    48,181.74x = 72,293.28 × 18,620.34
  4. Step 4: Simplify right side
    48,181.74x = 1,346,125,453.32
  5. Step 5: Solve for x
    x = 1,346,125,453.32/48,181.74
  6. Step 6: Final answer
    x = 27,938.50

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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.