Home / 36,238.15-54,374.61-18,707.98

Finding the Fourth Proportional to 36,238.15, 54,374.61 and 18,707.98

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Solution

The fourth proportional to 36,238.15, 54,374.61 and 18,707.98 is: 28,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,238.15 : 54,374.61 = 18,707.98 : x
  2. Step 2: Convert to fraction form
    36,238.15/54,374.61 = 18,707.98/x
  3. Step 3: Cross multiply
    36,238.15x = 54,374.61 × 18,707.98
  4. Step 4: Simplify right side
    36,238.15x = 1,017,239,116.39
  5. Step 5: Solve for x
    x = 1,017,239,116.39/36,238.15
  6. Step 6: Final answer
    x = 28,070.95

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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.