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Finding the Fourth Proportional to 64,598.31, 96,886.50 and 17,851.32

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Solution

The fourth proportional to 64,598.31, 96,886.50 and 17,851.32 is: 26,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,598.31 : 96,886.50 = 17,851.32 : x
  2. Step 2: Convert to fraction form
    64,598.31/96,886.50 = 17,851.32/x
  3. Step 3: Cross multiply
    64,598.31x = 96,886.50 × 17,851.32
  4. Step 4: Simplify right side
    64,598.31x = 1,729,551,915.18
  5. Step 5: Solve for x
    x = 1,729,551,915.18/64,598.31
  6. Step 6: Final answer
    x = 26,773.95

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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.