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Finding the Fourth Proportional to 32,460, 44,796.36 and 18,312.52

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Solution

The fourth proportional to 32,460, 44,796.36 and 18,312.52 is: 25,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,460 : 44,796.36 = 18,312.52 : x
  2. Step 2: Convert to fraction form
    32,460/44,796.36 = 18,312.52/x
  3. Step 3: Cross multiply
    32,460x = 44,796.36 × 18,312.52
  4. Step 4: Simplify right side
    32,460x = 820,334,238.43
  5. Step 5: Solve for x
    x = 820,334,238.43/32,460
  6. Step 6: Final answer
    x = 25,272.16

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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.