Home / 45,235.90-67,837.59-15,645.70

Finding the Fourth Proportional to 45,235.90, 67,837.59 and 15,645.70

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Solution

The fourth proportional to 45,235.90, 67,837.59 and 15,645.70 is: 23,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,235.90 : 67,837.59 = 15,645.70 : x
  2. Step 2: Convert to fraction form
    45,235.90/67,837.59 = 15,645.70/x
  3. Step 3: Cross multiply
    45,235.90x = 67,837.59 × 15,645.70
  4. Step 4: Simplify right side
    45,235.90x = 1,061,366,581.86
  5. Step 5: Solve for x
    x = 1,061,366,581.86/45,235.90
  6. Step 6: Final answer
    x = 23,462.93

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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.