Home / 40,998.72-61,498.62-11,415.84

Finding the Fourth Proportional to 40,998.72, 61,498.62 and 11,415.84

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Solution

The fourth proportional to 40,998.72, 61,498.62 and 11,415.84 is: 17,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,998.72 : 61,498.62 = 11,415.84 : x
  2. Step 2: Convert to fraction form
    40,998.72/61,498.62 = 11,415.84/x
  3. Step 3: Cross multiply
    40,998.72x = 61,498.62 × 11,415.84
  4. Step 4: Simplify right side
    40,998.72x = 702,058,406.14
  5. Step 5: Solve for x
    x = 702,058,406.14/40,998.72
  6. Step 6: Final answer
    x = 17,123.91

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1.5x scale

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.