Home / 47,260.18-65,221.25-28,135.62

Finding the Fourth Proportional to 47,260.18, 65,221.25 and 28,135.62

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Solution

The fourth proportional to 47,260.18, 65,221.25 and 28,135.62 is: 38,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,260.18 : 65,221.25 = 28,135.62 : x
  2. Step 2: Convert to fraction form
    47,260.18/65,221.25 = 28,135.62/x
  3. Step 3: Cross multiply
    47,260.18x = 65,221.25 × 28,135.62
  4. Step 4: Simplify right side
    47,260.18x = 1,835,040,305.93
  5. Step 5: Solve for x
    x = 1,835,040,305.93/47,260.18
  6. Step 6: Final answer
    x = 38,828.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.