Home / 37,645.05-51,950.25-20,649.45

Finding the Fourth Proportional to 37,645.05, 51,950.25 and 20,649.45

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Solution

The fourth proportional to 37,645.05, 51,950.25 and 20,649.45 is: 28,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,645.05 : 51,950.25 = 20,649.45 : x
  2. Step 2: Convert to fraction form
    37,645.05/51,950.25 = 20,649.45/x
  3. Step 3: Cross multiply
    37,645.05x = 51,950.25 × 20,649.45
  4. Step 4: Simplify right side
    37,645.05x = 1,072,744,089.86
  5. Step 5: Solve for x
    x = 1,072,744,089.86/37,645.05
  6. Step 6: Final answer
    x = 28,496.29

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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.