Home / 37,662.36-51,972.32-20,666.19

Finding the Fourth Proportional to 37,662.36, 51,972.32 and 20,666.19

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Solution

The fourth proportional to 37,662.36, 51,972.32 and 20,666.19 is: 28,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,662.36 : 51,972.32 = 20,666.19 : x
  2. Step 2: Convert to fraction form
    37,662.36/51,972.32 = 20,666.19/x
  3. Step 3: Cross multiply
    37,662.36x = 51,972.32 × 20,666.19
  4. Step 4: Simplify right side
    37,662.36x = 1,074,069,839.86
  5. Step 5: Solve for x
    x = 1,074,069,839.86/37,662.36
  6. Step 6: Final answer
    x = 28,518.39

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Double scale
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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.