Home / 31,746.05-47,577.29-17,712.68

Finding the Fourth Proportional to 31,746.05, 47,577.29 and 17,712.68

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Solution

The fourth proportional to 31,746.05, 47,577.29 and 17,712.68 is: 26,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,746.05 : 47,577.29 = 17,712.68 : x
  2. Step 2: Convert to fraction form
    31,746.05/47,577.29 = 17,712.68/x
  3. Step 3: Cross multiply
    31,746.05x = 47,577.29 × 17,712.68
  4. Step 4: Simplify right side
    31,746.05x = 842,721,353.84
  5. Step 5: Solve for x
    x = 842,721,353.84/31,746.05
  6. Step 6: Final answer
    x = 26,545.71

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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.