Home / 79,016.54-118,444.73-28,400.47

Finding the Fourth Proportional to 79,016.54, 118,444.73 and 28,400.47

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Solution

The fourth proportional to 79,016.54, 118,444.73 and 28,400.47 is: 42,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,016.54 : 118,444.73 = 28,400.47 : x
  2. Step 2: Convert to fraction form
    79,016.54/118,444.73 = 28,400.47/x
  3. Step 3: Cross multiply
    79,016.54x = 118,444.73 × 28,400.47
  4. Step 4: Simplify right side
    79,016.54x = 3,363,886,388.91
  5. Step 5: Solve for x
    x = 3,363,886,388.91/79,016.54
  6. Step 6: Final answer
    x = 42,571.93

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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.