Home / 66,218.74-99,329.91-19,473.10

Finding the Fourth Proportional to 66,218.74, 99,329.91 and 19,473.10

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Solution

The fourth proportional to 66,218.74, 99,329.91 and 19,473.10 is: 29,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,218.74 : 99,329.91 = 19,473.10 : x
  2. Step 2: Convert to fraction form
    66,218.74/99,329.91 = 19,473.10/x
  3. Step 3: Cross multiply
    66,218.74x = 99,329.91 × 19,473.10
  4. Step 4: Simplify right side
    66,218.74x = 1,934,261,270.42
  5. Step 5: Solve for x
    x = 1,934,261,270.42/66,218.74
  6. Step 6: Final answer
    x = 29,210.18

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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.