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Finding the Fourth Proportional to 62,274.30, 85,938.88 and 33,980.60

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Solution

The fourth proportional to 62,274.30, 85,938.88 and 33,980.60 is: 46,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,274.30 : 85,938.88 = 33,980.60 : x
  2. Step 2: Convert to fraction form
    62,274.30/85,938.88 = 33,980.60/x
  3. Step 3: Cross multiply
    62,274.30x = 85,938.88 × 33,980.60
  4. Step 4: Simplify right side
    62,274.30x = 2,920,254,705.73
  5. Step 5: Solve for x
    x = 2,920,254,705.73/62,274.30
  6. Step 6: Final answer
    x = 46,893.42

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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.