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Finding the Fourth Proportional to 56,464.92, 84,694.95 and 23,186.88

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Solution

The fourth proportional to 56,464.92, 84,694.95 and 23,186.88 is: 34,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,464.92 : 84,694.95 = 23,186.88 : x
  2. Step 2: Convert to fraction form
    56,464.92/84,694.95 = 23,186.88/x
  3. Step 3: Cross multiply
    56,464.92x = 84,694.95 × 23,186.88
  4. Step 4: Simplify right side
    56,464.92x = 1,963,811,642.26
  5. Step 5: Solve for x
    x = 1,963,811,642.26/56,464.92
  6. Step 6: Final answer
    x = 34,779.32

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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.