Home / 31,742.58-43,802.36-17,400.12

Finding the Fourth Proportional to 31,742.58, 43,802.36 and 17,400.12

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Solution

The fourth proportional to 31,742.58, 43,802.36 and 17,400.12 is: 24,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,742.58 : 43,802.36 = 17,400.12 : x
  2. Step 2: Convert to fraction form
    31,742.58/43,802.36 = 17,400.12/x
  3. Step 3: Cross multiply
    31,742.58x = 43,802.36 × 17,400.12
  4. Step 4: Simplify right side
    31,742.58x = 762,166,320.28
  5. Step 5: Solve for x
    x = 762,166,320.28/31,742.58
  6. Step 6: Final answer
    x = 24,010.85

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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.