Home / 47,135.09-65,045.54-25,913.90

Finding the Fourth Proportional to 47,135.09, 65,045.54 and 25,913.90

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Solution

The fourth proportional to 47,135.09, 65,045.54 and 25,913.90 is: 35,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.09 : 65,045.54 = 25,913.90 : x
  2. Step 2: Convert to fraction form
    47,135.09/65,045.54 = 25,913.90/x
  3. Step 3: Cross multiply
    47,135.09x = 65,045.54 × 25,913.90
  4. Step 4: Simplify right side
    47,135.09x = 1,685,583,358.56
  5. Step 5: Solve for x
    x = 1,685,583,358.56/47,135.09
  6. Step 6: Final answer
    x = 35,760.69

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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.