Home / 40,958.70-61,390.10-15,641.63

Finding the Fourth Proportional to 40,958.70, 61,390.10 and 15,641.63

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Solution

The fourth proportional to 40,958.70, 61,390.10 and 15,641.63 is: 23,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,958.70 : 61,390.10 = 15,641.63 : x
  2. Step 2: Convert to fraction form
    40,958.70/61,390.10 = 15,641.63/x
  3. Step 3: Cross multiply
    40,958.70x = 61,390.10 × 15,641.63
  4. Step 4: Simplify right side
    40,958.70x = 960,240,844.70
  5. Step 5: Solve for x
    x = 960,240,844.70/40,958.70
  6. Step 6: Final answer
    x = 23,444.12

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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.