Home / 31,603.47-47,410.05-11,883.39

Finding the Fourth Proportional to 31,603.47, 47,410.05 and 11,883.39

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Solution

The fourth proportional to 31,603.47, 47,410.05 and 11,883.39 is: 17,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,603.47 : 47,410.05 = 11,883.39 : x
  2. Step 2: Convert to fraction form
    31,603.47/47,410.05 = 11,883.39/x
  3. Step 3: Cross multiply
    31,603.47x = 47,410.05 × 11,883.39
  4. Step 4: Simplify right side
    31,603.47x = 563,392,114.07
  5. Step 5: Solve for x
    x = 563,392,114.07/31,603.47
  6. Step 6: Final answer
    x = 17,826.91

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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.