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Finding the Fourth Proportional to 35,290.60, 48,702.82 and 19,374.92

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Solution

The fourth proportional to 35,290.60, 48,702.82 and 19,374.92 is: 26,738.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290.60 : 48,702.82 = 19,374.92 : x
  2. Step 2: Convert to fraction form
    35,290.60/48,702.82 = 19,374.92/x
  3. Step 3: Cross multiply
    35,290.60x = 48,702.82 × 19,374.92
  4. Step 4: Simplify right side
    35,290.60x = 943,613,241.27
  5. Step 5: Solve for x
    x = 943,613,241.27/35,290.60
  6. Step 6: Final answer
    x = 26,738.37

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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.