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Finding the Fourth Proportional to 59,385.36, 89,064 and 17,254.20

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Solution

The fourth proportional to 59,385.36, 89,064 and 17,254.20 is: 25,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,385.36 : 89,064 = 17,254.20 : x
  2. Step 2: Convert to fraction form
    59,385.36/89,064 = 17,254.20/x
  3. Step 3: Cross multiply
    59,385.36x = 89,064 × 17,254.20
  4. Step 4: Simplify right side
    59,385.36x = 1,536,728,068.80
  5. Step 5: Solve for x
    x = 1,536,728,068.80/59,385.36
  6. Step 6: Final answer
    x = 25,877.22

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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.