Home / 29,220.04-40,320.68-17,281.05

Finding the Fourth Proportional to 29,220.04, 40,320.68 and 17,281.05

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Solution

The fourth proportional to 29,220.04, 40,320.68 and 17,281.05 is: 23,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,220.04 : 40,320.68 = 17,281.05 : x
  2. Step 2: Convert to fraction form
    29,220.04/40,320.68 = 17,281.05/x
  3. Step 3: Cross multiply
    29,220.04x = 40,320.68 × 17,281.05
  4. Step 4: Simplify right side
    29,220.04x = 696,783,687.11
  5. Step 5: Solve for x
    x = 696,783,687.11/29,220.04
  6. Step 6: Final answer
    x = 23,846.09

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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.