Home / 66,574.77-99,856.68-19,827.64

Finding the Fourth Proportional to 66,574.77, 99,856.68 and 19,827.64

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Solution

The fourth proportional to 66,574.77, 99,856.68 and 19,827.64 is: 29,739.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,574.77 : 99,856.68 = 19,827.64 : x
  2. Step 2: Convert to fraction form
    66,574.77/99,856.68 = 19,827.64/x
  3. Step 3: Cross multiply
    66,574.77x = 99,856.68 × 19,827.64
  4. Step 4: Simplify right side
    66,574.77x = 1,979,922,302.64
  5. Step 5: Solve for x
    x = 1,979,922,302.64/66,574.77
  6. Step 6: Final answer
    x = 29,739.83

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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.