Home / 47,672.24-65,780.39-28,547.54

Finding the Fourth Proportional to 47,672.24, 65,780.39 and 28,547.54

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Solution

The fourth proportional to 47,672.24, 65,780.39 and 28,547.54 is: 39,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,672.24 : 65,780.39 = 28,547.54 : x
  2. Step 2: Convert to fraction form
    47,672.24/65,780.39 = 28,547.54/x
  3. Step 3: Cross multiply
    47,672.24x = 65,780.39 × 28,547.54
  4. Step 4: Simplify right side
    47,672.24x = 1,877,867,843.10
  5. Step 5: Solve for x
    x = 1,877,867,843.10/47,672.24
  6. Step 6: Final answer
    x = 39,391.22

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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.