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Finding the Fourth Proportional to 61,668.40, 92,480.64 and 22,214.92

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Solution

The fourth proportional to 61,668.40, 92,480.64 and 22,214.92 is: 33,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668.40 : 92,480.64 = 22,214.92 : x
  2. Step 2: Convert to fraction form
    61,668.40/92,480.64 = 22,214.92/x
  3. Step 3: Cross multiply
    61,668.40x = 92,480.64 × 22,214.92
  4. Step 4: Simplify right side
    61,668.40x = 2,054,450,019.15
  5. Step 5: Solve for x
    x = 2,054,450,019.15/61,668.40
  6. Step 6: Final answer
    x = 33,314.47

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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.