Home / 31,199.40-46,786.65-18,061.02

Finding the Fourth Proportional to 31,199.40, 46,786.65 and 18,061.02

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Solution

The fourth proportional to 31,199.40, 46,786.65 and 18,061.02 is: 27,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,199.40 : 46,786.65 = 18,061.02 : x
  2. Step 2: Convert to fraction form
    31,199.40/46,786.65 = 18,061.02/x
  3. Step 3: Cross multiply
    31,199.40x = 46,786.65 × 18,061.02
  4. Step 4: Simplify right side
    31,199.40x = 845,014,621.38
  5. Step 5: Solve for x
    x = 845,014,621.38/31,199.40
  6. Step 6: Final answer
    x = 27,084.32

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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.