Home / 66,257.26-99,365.66-18,876.22

Finding the Fourth Proportional to 66,257.26, 99,365.66 and 18,876.22

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Solution

The fourth proportional to 66,257.26, 99,365.66 and 18,876.22 is: 28,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257.26 : 99,365.66 = 18,876.22 : x
  2. Step 2: Convert to fraction form
    66,257.26/99,365.66 = 18,876.22/x
  3. Step 3: Cross multiply
    66,257.26x = 99,365.66 × 18,876.22
  4. Step 4: Simplify right side
    66,257.26x = 1,875,648,058.61
  5. Step 5: Solve for x
    x = 1,875,648,058.61/66,257.26
  6. Step 6: Final answer
    x = 28,308.57

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1.5x scale

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.