Home / 43,240.78-64,868.96-19,559.52

Finding the Fourth Proportional to 43,240.78, 64,868.96 and 19,559.52

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Solution

The fourth proportional to 43,240.78, 64,868.96 and 19,559.52 is: 29,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,240.78 : 64,868.96 = 19,559.52 : x
  2. Step 2: Convert to fraction form
    43,240.78/64,868.96 = 19,559.52/x
  3. Step 3: Cross multiply
    43,240.78x = 64,868.96 × 19,559.52
  4. Step 4: Simplify right side
    43,240.78x = 1,268,805,720.50
  5. Step 5: Solve for x
    x = 1,268,805,720.50/43,240.78
  6. Step 6: Final answer
    x = 29,342.80

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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.