Home / 31,631.16-43,653.26-17,483.72

Finding the Fourth Proportional to 31,631.16, 43,653.26 and 17,483.72

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Solution

The fourth proportional to 31,631.16, 43,653.26 and 17,483.72 is: 24,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,631.16 : 43,653.26 = 17,483.72 : x
  2. Step 2: Convert to fraction form
    31,631.16/43,653.26 = 17,483.72/x
  3. Step 3: Cross multiply
    31,631.16x = 43,653.26 × 17,483.72
  4. Step 4: Simplify right side
    31,631.16x = 763,221,374.93
  5. Step 5: Solve for x
    x = 763,221,374.93/31,631.16
  6. Step 6: Final answer
    x = 24,128.78

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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.