Home / 31,109.20-46,663.80-10,332.70

Finding the Fourth Proportional to 31,109.20, 46,663.80 and 10,332.70

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Solution

The fourth proportional to 31,109.20, 46,663.80 and 10,332.70 is: 15,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109.20 : 46,663.80 = 10,332.70 : x
  2. Step 2: Convert to fraction form
    31,109.20/46,663.80 = 10,332.70/x
  3. Step 3: Cross multiply
    31,109.20x = 46,663.80 × 10,332.70
  4. Step 4: Simplify right side
    31,109.20x = 482,163,046.26
  5. Step 5: Solve for x
    x = 482,163,046.26/31,109.20
  6. Step 6: Final answer
    x = 15,499.05

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Double scale
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Similar ratio
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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.