Home / 35,778.71-49,376.93-20,672.02

Finding the Fourth Proportional to 35,778.71, 49,376.93 and 20,672.02

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Solution

The fourth proportional to 35,778.71, 49,376.93 and 20,672.02 is: 28,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.71 : 49,376.93 = 20,672.02 : x
  2. Step 2: Convert to fraction form
    35,778.71/49,376.93 = 20,672.02/x
  3. Step 3: Cross multiply
    35,778.71x = 49,376.93 × 20,672.02
  4. Step 4: Simplify right side
    35,778.71x = 1,020,720,534.25
  5. Step 5: Solve for x
    x = 1,020,720,534.25/35,778.71
  6. Step 6: Final answer
    x = 28,528.71

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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.