Home / 29,988.12-41,342.22-21,497.16

Finding the Fourth Proportional to 29,988.12, 41,342.22 and 21,497.16

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Solution

The fourth proportional to 29,988.12, 41,342.22 and 21,497.16 is: 29,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,988.12 : 41,342.22 = 21,497.16 : x
  2. Step 2: Convert to fraction form
    29,988.12/41,342.22 = 21,497.16/x
  3. Step 3: Cross multiply
    29,988.12x = 41,342.22 × 21,497.16
  4. Step 4: Simplify right side
    29,988.12x = 888,740,318.10
  5. Step 5: Solve for x
    x = 888,740,318.10/29,988.12
  6. Step 6: Final answer
    x = 29,636.41

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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.