Home / 37,371.83-51,572.48-20,376.20

Finding the Fourth Proportional to 37,371.83, 51,572.48 and 20,376.20

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Solution

The fourth proportional to 37,371.83, 51,572.48 and 20,376.20 is: 28,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,371.83 : 51,572.48 = 20,376.20 : x
  2. Step 2: Convert to fraction form
    37,371.83/51,572.48 = 20,376.20/x
  3. Step 3: Cross multiply
    37,371.83x = 51,572.48 × 20,376.20
  4. Step 4: Simplify right side
    37,371.83x = 1,050,851,166.98
  5. Step 5: Solve for x
    x = 1,050,851,166.98/37,371.83
  6. Step 6: Final answer
    x = 28,118.81

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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.