Home / 31,993.17-44,141.70-20,663.13

Finding the Fourth Proportional to 31,993.17, 44,141.70 and 20,663.13

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Solution

The fourth proportional to 31,993.17, 44,141.70 and 20,663.13 is: 28,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,993.17 : 44,141.70 = 20,663.13 : x
  2. Step 2: Convert to fraction form
    31,993.17/44,141.70 = 20,663.13/x
  3. Step 3: Cross multiply
    31,993.17x = 44,141.70 × 20,663.13
  4. Step 4: Simplify right side
    31,993.17x = 912,105,685.52
  5. Step 5: Solve for x
    x = 912,105,685.52/31,993.17
  6. Step 6: Final answer
    x = 28,509.39

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.