Home / 42,198.90-58,234.41-23,078.76

Finding the Fourth Proportional to 42,198.90, 58,234.41 and 23,078.76

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Solution

The fourth proportional to 42,198.90, 58,234.41 and 23,078.76 is: 31,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,198.90 : 58,234.41 = 23,078.76 : x
  2. Step 2: Convert to fraction form
    42,198.90/58,234.41 = 23,078.76/x
  3. Step 3: Cross multiply
    42,198.90x = 58,234.41 × 23,078.76
  4. Step 4: Simplify right side
    42,198.90x = 1,343,977,972.13
  5. Step 5: Solve for x
    x = 1,343,977,972.13/42,198.90
  6. Step 6: Final answer
    x = 31,848.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.