Home / 66,630.22-91,948.14-36,415.60

Finding the Fourth Proportional to 66,630.22, 91,948.14 and 36,415.60

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Solution

The fourth proportional to 66,630.22, 91,948.14 and 36,415.60 is: 50,252.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,630.22 : 91,948.14 = 36,415.60 : x
  2. Step 2: Convert to fraction form
    66,630.22/91,948.14 = 36,415.60/x
  3. Step 3: Cross multiply
    66,630.22x = 91,948.14 × 36,415.60
  4. Step 4: Simplify right side
    66,630.22x = 3,348,346,686.98
  5. Step 5: Solve for x
    x = 3,348,346,686.98/66,630.22
  6. Step 6: Final answer
    x = 50,252.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.