Home / 31,699.08-47,437.92-25,443.72

Finding the Fourth Proportional to 31,699.08, 47,437.92 and 25,443.72

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Solution

The fourth proportional to 31,699.08, 47,437.92 and 25,443.72 is: 38,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699.08 : 47,437.92 = 25,443.72 : x
  2. Step 2: Convert to fraction form
    31,699.08/47,437.92 = 25,443.72/x
  3. Step 3: Cross multiply
    31,699.08x = 47,437.92 × 25,443.72
  4. Step 4: Simplify right side
    31,699.08x = 1,206,997,153.86
  5. Step 5: Solve for x
    x = 1,206,997,153.86/31,699.08
  6. Step 6: Final answer
    x = 38,076.73

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1.5x scale

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.