Home / 37,416.33-51,633.05-20,420.10

Finding the Fourth Proportional to 37,416.33, 51,633.05 and 20,420.10

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Solution

The fourth proportional to 37,416.33, 51,633.05 and 20,420.10 is: 28,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,416.33 : 51,633.05 = 20,420.10 : x
  2. Step 2: Convert to fraction form
    37,416.33/51,633.05 = 20,420.10/x
  3. Step 3: Cross multiply
    37,416.33x = 51,633.05 × 20,420.10
  4. Step 4: Simplify right side
    37,416.33x = 1,054,351,942.20
  5. Step 5: Solve for x
    x = 1,054,351,942.20/37,416.33
  6. Step 6: Final answer
    x = 28,178.92

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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.