Home / 35,691.60-49,254.36-19,777.08

Finding the Fourth Proportional to 35,691.60, 49,254.36 and 19,777.08

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Solution

The fourth proportional to 35,691.60, 49,254.36 and 19,777.08 is: 27,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.60 : 49,254.36 = 19,777.08 : x
  2. Step 2: Convert to fraction form
    35,691.60/49,254.36 = 19,777.08/x
  3. Step 3: Cross multiply
    35,691.60x = 49,254.36 × 19,777.08
  4. Step 4: Simplify right side
    35,691.60x = 974,107,418.07
  5. Step 5: Solve for x
    x = 974,107,418.07/35,691.60
  6. Step 6: Final answer
    x = 27,292.34

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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.