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Finding the Fourth Proportional to 34,577.60, 51,866.40 and 34,059.20

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Solution

The fourth proportional to 34,577.60, 51,866.40 and 34,059.20 is: 51,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,577.60 : 51,866.40 = 34,059.20 : x
  2. Step 2: Convert to fraction form
    34,577.60/51,866.40 = 34,059.20/x
  3. Step 3: Cross multiply
    34,577.60x = 51,866.40 × 34,059.20
  4. Step 4: Simplify right side
    34,577.60x = 1,766,528,090.88
  5. Step 5: Solve for x
    x = 1,766,528,090.88/34,577.60
  6. Step 6: Final answer
    x = 51,088.80

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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.