Home / 66,210.64-99,315.92-19,463.52

Finding the Fourth Proportional to 66,210.64, 99,315.92 and 19,463.52

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Solution

The fourth proportional to 66,210.64, 99,315.92 and 19,463.52 is: 29,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,210.64 : 99,315.92 = 19,463.52 : x
  2. Step 2: Convert to fraction form
    66,210.64/99,315.92 = 19,463.52/x
  3. Step 3: Cross multiply
    66,210.64x = 99,315.92 × 19,463.52
  4. Step 4: Simplify right side
    66,210.64x = 1,933,037,395.24
  5. Step 5: Solve for x
    x = 1,933,037,395.24/66,210.64
  6. Step 6: Final answer
    x = 29,195.27

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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.