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Finding the Fourth Proportional to 60,879.28, 91,333.44 and 19,326.32

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Solution

The fourth proportional to 60,879.28, 91,333.44 and 19,326.32 is: 28,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,879.28 : 91,333.44 = 19,326.32 : x
  2. Step 2: Convert to fraction form
    60,879.28/91,333.44 = 19,326.32/x
  3. Step 3: Cross multiply
    60,879.28x = 91,333.44 × 19,326.32
  4. Step 4: Simplify right side
    60,879.28x = 1,765,139,288.14
  5. Step 5: Solve for x
    x = 1,765,139,288.14/60,879.28
  6. Step 6: Final answer
    x = 28,994.09

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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.