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Finding the Fourth Proportional to 34,840, 48,080.08 and 18,924.45

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Solution

The fourth proportional to 34,840, 48,080.08 and 18,924.45 is: 26,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,840 : 48,080.08 = 18,924.45 : x
  2. Step 2: Convert to fraction form
    34,840/48,080.08 = 18,924.45/x
  3. Step 3: Cross multiply
    34,840x = 48,080.08 × 18,924.45
  4. Step 4: Simplify right side
    34,840x = 909,889,069.96
  5. Step 5: Solve for x
    x = 909,889,069.96/34,840
  6. Step 6: Final answer
    x = 26,116.22

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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.