Home / 35,677.80-49,237.14-20,572.92

Finding the Fourth Proportional to 35,677.80, 49,237.14 and 20,572.92

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Solution

The fourth proportional to 35,677.80, 49,237.14 and 20,572.92 is: 28,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,677.80 : 49,237.14 = 20,572.92 : x
  2. Step 2: Convert to fraction form
    35,677.80/49,237.14 = 20,572.92/x
  3. Step 3: Cross multiply
    35,677.80x = 49,237.14 × 20,572.92
  4. Step 4: Simplify right side
    35,677.80x = 1,012,951,742.25
  5. Step 5: Solve for x
    x = 1,012,951,742.25/35,677.80
  6. Step 6: Final answer
    x = 28,391.65

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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.