Home / 69,879.02-96,434.78-38,049.66

Finding the Fourth Proportional to 69,879.02, 96,434.78 and 38,049.66

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Solution

The fourth proportional to 69,879.02, 96,434.78 and 38,049.66 is: 52,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,879.02 : 96,434.78 = 38,049.66 : x
  2. Step 2: Convert to fraction form
    69,879.02/96,434.78 = 38,049.66/x
  3. Step 3: Cross multiply
    69,879.02x = 96,434.78 × 38,049.66
  4. Step 4: Simplify right side
    69,879.02x = 3,669,310,400.93
  5. Step 5: Solve for x
    x = 3,669,310,400.93/69,879.02
  6. Step 6: Final answer
    x = 52,509.48

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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.