Home / 34,359.60-51,539.40-14,638.80

Finding the Fourth Proportional to 34,359.60, 51,539.40 and 14,638.80

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Solution

The fourth proportional to 34,359.60, 51,539.40 and 14,638.80 is: 21,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,359.60 : 51,539.40 = 14,638.80 : x
  2. Step 2: Convert to fraction form
    34,359.60/51,539.40 = 14,638.80/x
  3. Step 3: Cross multiply
    34,359.60x = 51,539.40 × 14,638.80
  4. Step 4: Simplify right side
    34,359.60x = 754,474,968.72
  5. Step 5: Solve for x
    x = 754,474,968.72/34,359.60
  6. Step 6: Final answer
    x = 21,958.20

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1.5x scale

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.