Home / 40,219.48-60,362.40-20,234.62

Finding the Fourth Proportional to 40,219.48, 60,362.40 and 20,234.62

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Solution

The fourth proportional to 40,219.48, 60,362.40 and 20,234.62 is: 30,368.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,219.48 : 60,362.40 = 20,234.62 : x
  2. Step 2: Convert to fraction form
    40,219.48/60,362.40 = 20,234.62/x
  3. Step 3: Cross multiply
    40,219.48x = 60,362.40 × 20,234.62
  4. Step 4: Simplify right side
    40,219.48x = 1,221,410,226.29
  5. Step 5: Solve for x
    x = 1,221,410,226.29/40,219.48
  6. Step 6: Final answer
    x = 30,368.62

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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.