Home / 35,708.96-49,278.85-19,577.78

Finding the Fourth Proportional to 35,708.96, 49,278.85 and 19,577.78

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Solution

The fourth proportional to 35,708.96, 49,278.85 and 19,577.78 is: 27,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,708.96 : 49,278.85 = 19,577.78 : x
  2. Step 2: Convert to fraction form
    35,708.96/49,278.85 = 19,577.78/x
  3. Step 3: Cross multiply
    35,708.96x = 49,278.85 × 19,577.78
  4. Step 4: Simplify right side
    35,708.96x = 964,770,483.95
  5. Step 5: Solve for x
    x = 964,770,483.95/35,708.96
  6. Step 6: Final answer
    x = 27,017.60

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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.