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Finding the Fourth Proportional to 43,325.44, 64,978.82 and 25,301.63

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Solution

The fourth proportional to 43,325.44, 64,978.82 and 25,301.63 is: 37,946.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,325.44 : 64,978.82 = 25,301.63 : x
  2. Step 2: Convert to fraction form
    43,325.44/64,978.82 = 25,301.63/x
  3. Step 3: Cross multiply
    43,325.44x = 64,978.82 × 25,301.63
  4. Step 4: Simplify right side
    43,325.44x = 1,644,070,097.42
  5. Step 5: Solve for x
    x = 1,644,070,097.42/43,325.44
  6. Step 6: Final answer
    x = 37,946.99

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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.