Home / 40,901.91-61,352.79-11,319.66

Finding the Fourth Proportional to 40,901.91, 61,352.79 and 11,319.66

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Solution

The fourth proportional to 40,901.91, 61,352.79 and 11,319.66 is: 16,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,901.91 : 61,352.79 = 11,319.66 : x
  2. Step 2: Convert to fraction form
    40,901.91/61,352.79 = 11,319.66/x
  3. Step 3: Cross multiply
    40,901.91x = 61,352.79 × 11,319.66
  4. Step 4: Simplify right side
    40,901.91x = 694,492,722.85
  5. Step 5: Solve for x
    x = 694,492,722.85/40,901.91
  6. Step 6: Final answer
    x = 16,979.47

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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.