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Finding the Fourth Proportional to 56,924, 78,554.96 and 33,064.48

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Solution

The fourth proportional to 56,924, 78,554.96 and 33,064.48 is: 45,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,924 : 78,554.96 = 33,064.48 : x
  2. Step 2: Convert to fraction form
    56,924/78,554.96 = 33,064.48/x
  3. Step 3: Cross multiply
    56,924x = 78,554.96 × 33,064.48
  4. Step 4: Simplify right side
    56,924x = 2,597,378,903.82
  5. Step 5: Solve for x
    x = 2,597,378,903.82/56,924
  6. Step 6: Final answer
    x = 45,628.89

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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.