Home / 31,140.84-46,703.58-18,008.04

Finding the Fourth Proportional to 31,140.84, 46,703.58 and 18,008.04

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Solution

The fourth proportional to 31,140.84, 46,703.58 and 18,008.04 is: 27,007.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,140.84 : 46,703.58 = 18,008.04 : x
  2. Step 2: Convert to fraction form
    31,140.84/46,703.58 = 18,008.04/x
  3. Step 3: Cross multiply
    31,140.84x = 46,703.58 × 18,008.04
  4. Step 4: Simplify right side
    31,140.84x = 841,039,936.78
  5. Step 5: Solve for x
    x = 841,039,936.78/31,140.84
  6. Step 6: Final answer
    x = 27,007.62

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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.