Home / 40,899.91-61,349.79-11,317.66

Finding the Fourth Proportional to 40,899.91, 61,349.79 and 11,317.66

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Solution

The fourth proportional to 40,899.91, 61,349.79 and 11,317.66 is: 16,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,899.91 : 61,349.79 = 11,317.66 : x
  2. Step 2: Convert to fraction form
    40,899.91/61,349.79 = 11,317.66/x
  3. Step 3: Cross multiply
    40,899.91x = 61,349.79 × 11,317.66
  4. Step 4: Simplify right side
    40,899.91x = 694,336,064.29
  5. Step 5: Solve for x
    x = 694,336,064.29/40,899.91
  6. Step 6: Final answer
    x = 16,976.47

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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.