Home / 66,170.64-99,241.02-19,427.16

Finding the Fourth Proportional to 66,170.64, 99,241.02 and 19,427.16

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Solution

The fourth proportional to 66,170.64, 99,241.02 and 19,427.16 is: 29,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,170.64 : 99,241.02 = 19,427.16 : x
  2. Step 2: Convert to fraction form
    66,170.64/99,241.02 = 19,427.16/x
  3. Step 3: Cross multiply
    66,170.64x = 99,241.02 × 19,427.16
  4. Step 4: Simplify right side
    66,170.64x = 1,927,971,174.10
  5. Step 5: Solve for x
    x = 1,927,971,174.10/66,170.64
  6. Step 6: Final answer
    x = 29,136.35

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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.