Home / 31,947.08-47,904.72-18,624.58

Finding the Fourth Proportional to 31,947.08, 47,904.72 and 18,624.58

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Solution

The fourth proportional to 31,947.08, 47,904.72 and 18,624.58 is: 27,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.08 : 47,904.72 = 18,624.58 : x
  2. Step 2: Convert to fraction form
    31,947.08/47,904.72 = 18,624.58/x
  3. Step 3: Cross multiply
    31,947.08x = 47,904.72 × 18,624.58
  4. Step 4: Simplify right side
    31,947.08x = 892,205,290.02
  5. Step 5: Solve for x
    x = 892,205,290.02/31,947.08
  6. Step 6: Final answer
    x = 27,927.60

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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.