Home / 31,643.79-43,669.31-17,497.14

Finding the Fourth Proportional to 31,643.79, 43,669.31 and 17,497.14

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Solution

The fourth proportional to 31,643.79, 43,669.31 and 17,497.14 is: 24,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,643.79 : 43,669.31 = 17,497.14 : x
  2. Step 2: Convert to fraction form
    31,643.79/43,669.31 = 17,497.14/x
  3. Step 3: Cross multiply
    31,643.79x = 43,669.31 × 17,497.14
  4. Step 4: Simplify right side
    31,643.79x = 764,088,030.77
  5. Step 5: Solve for x
    x = 764,088,030.77/31,643.79
  6. Step 6: Final answer
    x = 24,146.54

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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.