Home / 35,719.32-49,292.64-19,804.80

Finding the Fourth Proportional to 35,719.32, 49,292.64 and 19,804.80

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Solution

The fourth proportional to 35,719.32, 49,292.64 and 19,804.80 is: 27,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,719.32 : 49,292.64 = 19,804.80 : x
  2. Step 2: Convert to fraction form
    35,719.32/49,292.64 = 19,804.80/x
  3. Step 3: Cross multiply
    35,719.32x = 49,292.64 × 19,804.80
  4. Step 4: Simplify right side
    35,719.32x = 976,230,876.67
  5. Step 5: Solve for x
    x = 976,230,876.67/35,719.32
  6. Step 6: Final answer
    x = 27,330.61

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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.