Home / 43,040.52-64,562.54-13,458.60

Finding the Fourth Proportional to 43,040.52, 64,562.54 and 13,458.60

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Solution

The fourth proportional to 43,040.52, 64,562.54 and 13,458.60 is: 20,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,040.52 : 64,562.54 = 13,458.60 : x
  2. Step 2: Convert to fraction form
    43,040.52/64,562.54 = 13,458.60/x
  3. Step 3: Cross multiply
    43,040.52x = 64,562.54 × 13,458.60
  4. Step 4: Simplify right side
    43,040.52x = 868,921,333.55
  5. Step 5: Solve for x
    x = 868,921,333.55/43,040.52
  6. Step 6: Final answer
    x = 20,188.45

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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.