Home / 31,138.02-46,677.87-11,411.28

Finding the Fourth Proportional to 31,138.02, 46,677.87 and 11,411.28

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Solution

The fourth proportional to 31,138.02, 46,677.87 and 11,411.28 is: 17,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,138.02 : 46,677.87 = 11,411.28 : x
  2. Step 2: Convert to fraction form
    31,138.02/46,677.87 = 11,411.28/x
  3. Step 3: Cross multiply
    31,138.02x = 46,677.87 × 11,411.28
  4. Step 4: Simplify right side
    31,138.02x = 532,654,244.37
  5. Step 5: Solve for x
    x = 532,654,244.37/31,138.02
  6. Step 6: Final answer
    x = 17,106.23

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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.