Home / 66,266.23-99,365.29-19,513.03

Finding the Fourth Proportional to 66,266.23, 99,365.29 and 19,513.03

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Solution

The fourth proportional to 66,266.23, 99,365.29 and 19,513.03 is: 29,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,266.23 : 99,365.29 = 19,513.03 : x
  2. Step 2: Convert to fraction form
    66,266.23/99,365.29 = 19,513.03/x
  3. Step 3: Cross multiply
    66,266.23x = 99,365.29 × 19,513.03
  4. Step 4: Simplify right side
    66,266.23x = 1,938,917,290.34
  5. Step 5: Solve for x
    x = 1,938,917,290.34/66,266.23
  6. Step 6: Final answer
    x = 29,259.51

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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.