Home / 45,620.26-68,432.30-15,655.10

Finding the Fourth Proportional to 45,620.26, 68,432.30 and 15,655.10

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Solution

The fourth proportional to 45,620.26, 68,432.30 and 15,655.10 is: 23,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,620.26 : 68,432.30 = 15,655.10 : x
  2. Step 2: Convert to fraction form
    45,620.26/68,432.30 = 15,655.10/x
  3. Step 3: Cross multiply
    45,620.26x = 68,432.30 × 15,655.10
  4. Step 4: Simplify right side
    45,620.26x = 1,071,314,499.73
  5. Step 5: Solve for x
    x = 1,071,314,499.73/45,620.26
  6. Step 6: Final answer
    x = 23,483.31

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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.