Home / 31,157.47-46,734.66-11,434.48

Finding the Fourth Proportional to 31,157.47, 46,734.66 and 11,434.48

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Solution

The fourth proportional to 31,157.47, 46,734.66 and 11,434.48 is: 17,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157.47 : 46,734.66 = 11,434.48 : x
  2. Step 2: Convert to fraction form
    31,157.47/46,734.66 = 11,434.48/x
  3. Step 3: Cross multiply
    31,157.47x = 46,734.66 × 11,434.48
  4. Step 4: Simplify right side
    31,157.47x = 534,386,535.08
  5. Step 5: Solve for x
    x = 534,386,535.08/31,157.47
  6. Step 6: Final answer
    x = 17,151.15

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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.