Home / 32,215.12-48,320.75-19,150.63

Finding the Fourth Proportional to 32,215.12, 48,320.75 and 19,150.63

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Solution

The fourth proportional to 32,215.12, 48,320.75 and 19,150.63 is: 28,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,215.12 : 48,320.75 = 19,150.63 : x
  2. Step 2: Convert to fraction form
    32,215.12/48,320.75 = 19,150.63/x
  3. Step 3: Cross multiply
    32,215.12x = 48,320.75 × 19,150.63
  4. Step 4: Simplify right side
    32,215.12x = 925,372,731.65
  5. Step 5: Solve for x
    x = 925,372,731.65/32,215.12
  6. Step 6: Final answer
    x = 28,724.80

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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.