Home / 31,402.08-47,077.20-23,081.76

Finding the Fourth Proportional to 31,402.08, 47,077.20 and 23,081.76

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Solution

The fourth proportional to 31,402.08, 47,077.20 and 23,081.76 is: 34,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.08 : 47,077.20 = 23,081.76 : x
  2. Step 2: Convert to fraction form
    31,402.08/47,077.20 = 23,081.76/x
  3. Step 3: Cross multiply
    31,402.08x = 47,077.20 × 23,081.76
  4. Step 4: Simplify right side
    31,402.08x = 1,086,624,631.87
  5. Step 5: Solve for x
    x = 1,086,624,631.87/31,402.08
  6. Step 6: Final answer
    x = 34,603.59

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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.