Home / 31,582.72-43,584.15-17,435.66

Finding the Fourth Proportional to 31,582.72, 43,584.15 and 17,435.66

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Solution

The fourth proportional to 31,582.72, 43,584.15 and 17,435.66 is: 24,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,582.72 : 43,584.15 = 17,435.66 : x
  2. Step 2: Convert to fraction form
    31,582.72/43,584.15 = 17,435.66/x
  3. Step 3: Cross multiply
    31,582.72x = 43,584.15 × 17,435.66
  4. Step 4: Simplify right side
    31,582.72x = 759,918,420.79
  5. Step 5: Solve for x
    x = 759,918,420.79/31,582.72
  6. Step 6: Final answer
    x = 24,061.21

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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.