Home / 35,708.95-49,279.17-19,577.80

Finding the Fourth Proportional to 35,708.95, 49,279.17 and 19,577.80

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Solution

The fourth proportional to 35,708.95, 49,279.17 and 19,577.80 is: 27,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,708.95 : 49,279.17 = 19,577.80 : x
  2. Step 2: Convert to fraction form
    35,708.95/49,279.17 = 19,577.80/x
  3. Step 3: Cross multiply
    35,708.95x = 49,279.17 × 19,577.80
  4. Step 4: Simplify right side
    35,708.95x = 964,777,734.43
  5. Step 5: Solve for x
    x = 964,777,734.43/35,708.95
  6. Step 6: Final answer
    x = 27,017.81

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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.