Home / 68,848.04-103,263.86-18,933.20

Finding the Fourth Proportional to 68,848.04, 103,263.86 and 18,933.20

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Solution

The fourth proportional to 68,848.04, 103,263.86 and 18,933.20 is: 28,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,848.04 : 103,263.86 = 18,933.20 : x
  2. Step 2: Convert to fraction form
    68,848.04/103,263.86 = 18,933.20/x
  3. Step 3: Cross multiply
    68,848.04x = 103,263.86 × 18,933.20
  4. Step 4: Simplify right side
    68,848.04x = 1,955,115,314.15
  5. Step 5: Solve for x
    x = 1,955,115,314.15/68,848.04
  6. Step 6: Final answer
    x = 28,397.55

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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.