Home / 31,820.40-47,730.60-27,932.40

Finding the Fourth Proportional to 31,820.40, 47,730.60 and 27,932.40

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Solution

The fourth proportional to 31,820.40, 47,730.60 and 27,932.40 is: 41,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.40 : 47,730.60 = 27,932.40 : x
  2. Step 2: Convert to fraction form
    31,820.40/47,730.60 = 27,932.40/x
  3. Step 3: Cross multiply
    31,820.40x = 47,730.60 × 27,932.40
  4. Step 4: Simplify right side
    31,820.40x = 1,333,230,211.44
  5. Step 5: Solve for x
    x = 1,333,230,211.44/31,820.40
  6. Step 6: Final answer
    x = 41,898.60

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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.