Home / 66,454.41-99,698.01-19,707.29

Finding the Fourth Proportional to 66,454.41, 99,698.01 and 19,707.29

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Solution

The fourth proportional to 66,454.41, 99,698.01 and 19,707.29 is: 29,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,454.41 : 99,698.01 = 19,707.29 : x
  2. Step 2: Convert to fraction form
    66,454.41/99,698.01 = 19,707.29/x
  3. Step 3: Cross multiply
    66,454.41x = 99,698.01 × 19,707.29
  4. Step 4: Simplify right side
    66,454.41x = 1,964,777,097.00
  5. Step 5: Solve for x
    x = 1,964,777,097.00/66,454.41
  6. Step 6: Final answer
    x = 29,565.79

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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.