Home / 42,844.25-64,269.09-13,259.60

Finding the Fourth Proportional to 42,844.25, 64,269.09 and 13,259.60

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Solution

The fourth proportional to 42,844.25, 64,269.09 and 13,259.60 is: 19,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,844.25 : 64,269.09 = 13,259.60 : x
  2. Step 2: Convert to fraction form
    42,844.25/64,269.09 = 13,259.60/x
  3. Step 3: Cross multiply
    42,844.25x = 64,269.09 × 13,259.60
  4. Step 4: Simplify right side
    42,844.25x = 852,182,104.42
  5. Step 5: Solve for x
    x = 852,182,104.42/42,844.25
  6. Step 6: Final answer
    x = 19,890.24

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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.