Home / 35,709.52-49,278.64-19,793.60

Finding the Fourth Proportional to 35,709.52, 49,278.64 and 19,793.60

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Solution

The fourth proportional to 35,709.52, 49,278.64 and 19,793.60 is: 27,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,709.52 : 49,278.64 = 19,793.60 : x
  2. Step 2: Convert to fraction form
    35,709.52/49,278.64 = 19,793.60/x
  3. Step 3: Cross multiply
    35,709.52x = 49,278.64 × 19,793.60
  4. Step 4: Simplify right side
    35,709.52x = 975,401,688.70
  5. Step 5: Solve for x
    x = 975,401,688.70/35,709.52
  6. Step 6: Final answer
    x = 27,314.89

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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.