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Finding the Fourth Proportional to 35,690.63, 53,486.73 and 25,750.71

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Solution

The fourth proportional to 35,690.63, 53,486.73 and 25,750.71 is: 38,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.63 : 53,486.73 = 25,750.71 : x
  2. Step 2: Convert to fraction form
    35,690.63/53,486.73 = 25,750.71/x
  3. Step 3: Cross multiply
    35,690.63x = 53,486.73 × 25,750.71
  4. Step 4: Simplify right side
    35,690.63x = 1,377,321,273.08
  5. Step 5: Solve for x
    x = 1,377,321,273.08/35,690.63
  6. Step 6: Final answer
    x = 38,590.56

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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.