Home / 32,540.30-48,759.40-19,385.48

Finding the Fourth Proportional to 32,540.30, 48,759.40 and 19,385.48

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Solution

The fourth proportional to 32,540.30, 48,759.40 and 19,385.48 is: 29,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,540.30 : 48,759.40 = 19,385.48 : x
  2. Step 2: Convert to fraction form
    32,540.30/48,759.40 = 19,385.48/x
  3. Step 3: Cross multiply
    32,540.30x = 48,759.40 × 19,385.48
  4. Step 4: Simplify right side
    32,540.30x = 945,224,373.51
  5. Step 5: Solve for x
    x = 945,224,373.51/32,540.30
  6. Step 6: Final answer
    x = 29,047.81

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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.