Home / 31,143.97-46,688.18-11,417.93

Finding the Fourth Proportional to 31,143.97, 46,688.18 and 11,417.93

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Solution

The fourth proportional to 31,143.97, 46,688.18 and 11,417.93 is: 17,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,143.97 : 46,688.18 = 11,417.93 : x
  2. Step 2: Convert to fraction form
    31,143.97/46,688.18 = 11,417.93/x
  3. Step 3: Cross multiply
    31,143.97x = 46,688.18 × 11,417.93
  4. Step 4: Simplify right side
    31,143.97x = 533,082,080.54
  5. Step 5: Solve for x
    x = 533,082,080.54/31,143.97
  6. Step 6: Final answer
    x = 17,116.70

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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.