Home / 35,897.60-49,534.20-20,790.02

Finding the Fourth Proportional to 35,897.60, 49,534.20 and 20,790.02

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Solution

The fourth proportional to 35,897.60, 49,534.20 and 20,790.02 is: 28,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,897.60 : 49,534.20 = 20,790.02 : x
  2. Step 2: Convert to fraction form
    35,897.60/49,534.20 = 20,790.02/x
  3. Step 3: Cross multiply
    35,897.60x = 49,534.20 × 20,790.02
  4. Step 4: Simplify right side
    35,897.60x = 1,029,817,008.68
  5. Step 5: Solve for x
    x = 1,029,817,008.68/35,897.60
  6. Step 6: Final answer
    x = 28,687.63

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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.