Home / 29,686.64-40,950.52-19,616.72

Finding the Fourth Proportional to 29,686.64, 40,950.52 and 19,616.72

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Solution

The fourth proportional to 29,686.64, 40,950.52 and 19,616.72 is: 27,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,686.64 : 40,950.52 = 19,616.72 : x
  2. Step 2: Convert to fraction form
    29,686.64/40,950.52 = 19,616.72/x
  3. Step 3: Cross multiply
    29,686.64x = 40,950.52 × 19,616.72
  4. Step 4: Simplify right side
    29,686.64x = 803,314,884.69
  5. Step 5: Solve for x
    x = 803,314,884.69/29,686.64
  6. Step 6: Final answer
    x = 27,059.81

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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.