Home / 31,191.24-46,781.85-8,702.51

Finding the Fourth Proportional to 31,191.24, 46,781.85 and 8,702.51

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Solution

The fourth proportional to 31,191.24, 46,781.85 and 8,702.51 is: 13,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.24 : 46,781.85 = 8,702.51 : x
  2. Step 2: Convert to fraction form
    31,191.24/46,781.85 = 8,702.51/x
  3. Step 3: Cross multiply
    31,191.24x = 46,781.85 × 8,702.51
  4. Step 4: Simplify right side
    31,191.24x = 407,119,316.17
  5. Step 5: Solve for x
    x = 407,119,316.17/31,191.24
  6. Step 6: Final answer
    x = 13,052.36

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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.