Home / 31,938.36-47,864.07-15,068.76

Finding the Fourth Proportional to 31,938.36, 47,864.07 and 15,068.76

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Solution

The fourth proportional to 31,938.36, 47,864.07 and 15,068.76 is: 22,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,938.36 : 47,864.07 = 15,068.76 : x
  2. Step 2: Convert to fraction form
    31,938.36/47,864.07 = 15,068.76/x
  3. Step 3: Cross multiply
    31,938.36x = 47,864.07 × 15,068.76
  4. Step 4: Simplify right side
    31,938.36x = 721,252,183.45
  5. Step 5: Solve for x
    x = 721,252,183.45/31,938.36
  6. Step 6: Final answer
    x = 22,582.63

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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.