Home / 79,240.72-118,879.02-26,648.76

Finding the Fourth Proportional to 79,240.72, 118,879.02 and 26,648.76

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Solution

The fourth proportional to 79,240.72, 118,879.02 and 26,648.76 is: 39,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,240.72 : 118,879.02 = 26,648.76 : x
  2. Step 2: Convert to fraction form
    79,240.72/118,879.02 = 26,648.76/x
  3. Step 3: Cross multiply
    79,240.72x = 118,879.02 × 26,648.76
  4. Step 4: Simplify right side
    79,240.72x = 3,167,978,473.02
  5. Step 5: Solve for x
    x = 3,167,978,473.02/79,240.72
  6. Step 6: Final answer
    x = 39,979.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.