Home / 31,416.84-43,355.52-17,270.28

Finding the Fourth Proportional to 31,416.84, 43,355.52 and 17,270.28

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Solution

The fourth proportional to 31,416.84, 43,355.52 and 17,270.28 is: 23,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.84 : 43,355.52 = 17,270.28 : x
  2. Step 2: Convert to fraction form
    31,416.84/43,355.52 = 17,270.28/x
  3. Step 3: Cross multiply
    31,416.84x = 43,355.52 × 17,270.28
  4. Step 4: Simplify right side
    31,416.84x = 748,761,969.95
  5. Step 5: Solve for x
    x = 748,761,969.95/31,416.84
  6. Step 6: Final answer
    x = 23,833.14

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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.