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Finding the Fourth Proportional to 66,954.69, 92,397.12 and 37,884.33

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Solution

The fourth proportional to 66,954.69, 92,397.12 and 37,884.33 is: 52,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,954.69 : 92,397.12 = 37,884.33 : x
  2. Step 2: Convert to fraction form
    66,954.69/92,397.12 = 37,884.33/x
  3. Step 3: Cross multiply
    66,954.69x = 92,397.12 × 37,884.33
  4. Step 4: Simplify right side
    66,954.69x = 3,500,402,985.13
  5. Step 5: Solve for x
    x = 3,500,402,985.13/66,954.69
  6. Step 6: Final answer
    x = 52,280.18

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1.5x scale

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.