Home / 34,693.91-47,877.92-18,778.69

Finding the Fourth Proportional to 34,693.91, 47,877.92 and 18,778.69

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Solution

The fourth proportional to 34,693.91, 47,877.92 and 18,778.69 is: 25,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,693.91 : 47,877.92 = 18,778.69 : x
  2. Step 2: Convert to fraction form
    34,693.91/47,877.92 = 18,778.69/x
  3. Step 3: Cross multiply
    34,693.91x = 47,877.92 × 18,778.69
  4. Step 4: Simplify right side
    34,693.91x = 899,084,617.52
  5. Step 5: Solve for x
    x = 899,084,617.52/34,693.91
  6. Step 6: Final answer
    x = 25,914.77

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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.