Home / 34,220.20-47,223.78-19,316.20

Finding the Fourth Proportional to 34,220.20, 47,223.78 and 19,316.20

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Solution

The fourth proportional to 34,220.20, 47,223.78 and 19,316.20 is: 26,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,220.20 : 47,223.78 = 19,316.20 : x
  2. Step 2: Convert to fraction form
    34,220.20/47,223.78 = 19,316.20/x
  3. Step 3: Cross multiply
    34,220.20x = 47,223.78 × 19,316.20
  4. Step 4: Simplify right side
    34,220.20x = 912,183,979.24
  5. Step 5: Solve for x
    x = 912,183,979.24/34,220.20
  6. Step 6: Final answer
    x = 26,656.30

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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.