Home / 30,142.82-41,588.46-17,395.04

Finding the Fourth Proportional to 30,142.82, 41,588.46 and 17,395.04

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Solution

The fourth proportional to 30,142.82, 41,588.46 and 17,395.04 is: 24,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,142.82 : 41,588.46 = 17,395.04 : x
  2. Step 2: Convert to fraction form
    30,142.82/41,588.46 = 17,395.04/x
  3. Step 3: Cross multiply
    30,142.82x = 41,588.46 × 17,395.04
  4. Step 4: Simplify right side
    30,142.82x = 723,432,925.24
  5. Step 5: Solve for x
    x = 723,432,925.24/30,142.82
  6. Step 6: Final answer
    x = 24,000.17

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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.