Home / 29,347.16-43,920.63-18,668.12

Finding the Fourth Proportional to 29,347.16, 43,920.63 and 18,668.12

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Solution

The fourth proportional to 29,347.16, 43,920.63 and 18,668.12 is: 27,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,347.16 : 43,920.63 = 18,668.12 : x
  2. Step 2: Convert to fraction form
    29,347.16/43,920.63 = 18,668.12/x
  3. Step 3: Cross multiply
    29,347.16x = 43,920.63 × 18,668.12
  4. Step 4: Simplify right side
    29,347.16x = 819,915,371.71
  5. Step 5: Solve for x
    x = 819,915,371.71/29,347.16
  6. Step 6: Final answer
    x = 27,938.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.