Home / 29,920.13-41,289.58-16,491.40

Finding the Fourth Proportional to 29,920.13, 41,289.58 and 16,491.40

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Solution

The fourth proportional to 29,920.13, 41,289.58 and 16,491.40 is: 22,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.13 : 41,289.58 = 16,491.40 : x
  2. Step 2: Convert to fraction form
    29,920.13/41,289.58 = 16,491.40/x
  3. Step 3: Cross multiply
    29,920.13x = 41,289.58 × 16,491.40
  4. Step 4: Simplify right side
    29,920.13x = 680,922,897.00
  5. Step 5: Solve for x
    x = 680,922,897.00/29,920.13
  6. Step 6: Final answer
    x = 22,758.02

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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.