Home / 29,435.04-40,632.12-18,109.17

Finding the Fourth Proportional to 29,435.04, 40,632.12 and 18,109.17

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Solution

The fourth proportional to 29,435.04, 40,632.12 and 18,109.17 is: 24,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,435.04 : 40,632.12 = 18,109.17 : x
  2. Step 2: Convert to fraction form
    29,435.04/40,632.12 = 18,109.17/x
  3. Step 3: Cross multiply
    29,435.04x = 40,632.12 × 18,109.17
  4. Step 4: Simplify right side
    29,435.04x = 735,813,968.54
  5. Step 5: Solve for x
    x = 735,813,968.54/29,435.04
  6. Step 6: Final answer
    x = 24,997.89

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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.