Home / 35,905.47-49,551-20,797.89

Finding the Fourth Proportional to 35,905.47, 49,551 and 20,797.89

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Solution

The fourth proportional to 35,905.47, 49,551 and 20,797.89 is: 28,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.47 : 49,551 = 20,797.89 : x
  2. Step 2: Convert to fraction form
    35,905.47/49,551 = 20,797.89/x
  3. Step 3: Cross multiply
    35,905.47x = 49,551 × 20,797.89
  4. Step 4: Simplify right side
    35,905.47x = 1,030,556,247.39
  5. Step 5: Solve for x
    x = 1,030,556,247.39/35,905.47
  6. Step 6: Final answer
    x = 28,701.93

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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.