Home / 36,638.51-54,959.99-10,345.23

Finding the Fourth Proportional to 36,638.51, 54,959.99 and 10,345.23

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Solution

The fourth proportional to 36,638.51, 54,959.99 and 10,345.23 is: 15,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.51 : 54,959.99 = 10,345.23 : x
  2. Step 2: Convert to fraction form
    36,638.51/54,959.99 = 10,345.23/x
  3. Step 3: Cross multiply
    36,638.51x = 54,959.99 × 10,345.23
  4. Step 4: Simplify right side
    36,638.51x = 568,573,685.62
  5. Step 5: Solve for x
    x = 568,573,685.62/36,638.51
  6. Step 6: Final answer
    x = 15,518.47

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Double scale
Find fourth proportional to 36,639.51, 54,961.49 and 10,346.23
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.