Home / 35,718.85-49,147.14-29,321.92

Finding the Fourth Proportional to 35,718.85, 49,147.14 and 29,321.92

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Solution

The fourth proportional to 35,718.85, 49,147.14 and 29,321.92 is: 40,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,718.85 : 49,147.14 = 29,321.92 : x
  2. Step 2: Convert to fraction form
    35,718.85/49,147.14 = 29,321.92/x
  3. Step 3: Cross multiply
    35,718.85x = 49,147.14 × 29,321.92
  4. Step 4: Simplify right side
    35,718.85x = 1,441,088,507.31
  5. Step 5: Solve for x
    x = 1,441,088,507.31/35,718.85
  6. Step 6: Final answer
    x = 40,345.32

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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.