Home / 35,105.45-48,445.29-19,998.74

Finding the Fourth Proportional to 35,105.45, 48,445.29 and 19,998.74

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Solution

The fourth proportional to 35,105.45, 48,445.29 and 19,998.74 is: 27,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.45 : 48,445.29 = 19,998.74 : x
  2. Step 2: Convert to fraction form
    35,105.45/48,445.29 = 19,998.74/x
  3. Step 3: Cross multiply
    35,105.45x = 48,445.29 × 19,998.74
  4. Step 4: Simplify right side
    35,105.45x = 968,844,758.93
  5. Step 5: Solve for x
    x = 968,844,758.93/35,105.45
  6. Step 6: Final answer
    x = 27,598.13

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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.