Home / 66,312.22-99,431.97-26,290.66

Finding the Fourth Proportional to 66,312.22, 99,431.97 and 26,290.66

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Solution

The fourth proportional to 66,312.22, 99,431.97 and 26,290.66 is: 39,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,312.22 : 99,431.97 = 26,290.66 : x
  2. Step 2: Convert to fraction form
    66,312.22/99,431.97 = 26,290.66/x
  3. Step 3: Cross multiply
    66,312.22x = 99,431.97 × 26,290.66
  4. Step 4: Simplify right side
    66,312.22x = 2,614,132,116.40
  5. Step 5: Solve for x
    x = 2,614,132,116.40/66,312.22
  6. Step 6: Final answer
    x = 39,421.57

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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.