Home / 34,268.40-51,364.20-14,543.60

Finding the Fourth Proportional to 34,268.40, 51,364.20 and 14,543.60

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Solution

The fourth proportional to 34,268.40, 51,364.20 and 14,543.60 is: 21,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,268.40 : 51,364.20 = 14,543.60 : x
  2. Step 2: Convert to fraction form
    34,268.40/51,364.20 = 14,543.60/x
  3. Step 3: Cross multiply
    34,268.40x = 51,364.20 × 14,543.60
  4. Step 4: Simplify right side
    34,268.40x = 747,020,379.12
  5. Step 5: Solve for x
    x = 747,020,379.12/34,268.40
  6. Step 6: Final answer
    x = 21,799.10

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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.