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Finding the Fourth Proportional to 46,657.88, 64,387.87 and 29,890.88

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Solution

The fourth proportional to 46,657.88, 64,387.87 and 29,890.88 is: 41,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,657.88 : 64,387.87 = 29,890.88 : x
  2. Step 2: Convert to fraction form
    46,657.88/64,387.87 = 29,890.88/x
  3. Step 3: Cross multiply
    46,657.88x = 64,387.87 × 29,890.88
  4. Step 4: Simplify right side
    46,657.88x = 1,924,609,698.96
  5. Step 5: Solve for x
    x = 1,924,609,698.96/46,657.88
  6. Step 6: Final answer
    x = 41,249.41

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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.