Home / 31,319.79-46,986.96-10,543.29

Finding the Fourth Proportional to 31,319.79, 46,986.96 and 10,543.29

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Solution

The fourth proportional to 31,319.79, 46,986.96 and 10,543.29 is: 15,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319.79 : 46,986.96 = 10,543.29 : x
  2. Step 2: Convert to fraction form
    31,319.79/46,986.96 = 10,543.29/x
  3. Step 3: Cross multiply
    31,319.79x = 46,986.96 × 10,543.29
  4. Step 4: Simplify right side
    31,319.79x = 495,397,145.50
  5. Step 5: Solve for x
    x = 495,397,145.50/31,319.79
  6. Step 6: Final answer
    x = 15,817.38

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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.