Home / 35,159.20-52,832.40-19,376.80

Finding the Fourth Proportional to 35,159.20, 52,832.40 and 19,376.80

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Solution

The fourth proportional to 35,159.20, 52,832.40 and 19,376.80 is: 29,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,159.20 : 52,832.40 = 19,376.80 : x
  2. Step 2: Convert to fraction form
    35,159.20/52,832.40 = 19,376.80/x
  3. Step 3: Cross multiply
    35,159.20x = 52,832.40 × 19,376.80
  4. Step 4: Simplify right side
    35,159.20x = 1,023,722,848.32
  5. Step 5: Solve for x
    x = 1,023,722,848.32/35,159.20
  6. Step 6: Final answer
    x = 29,116.78

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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.