Home / 57,436.36-86,147.70-15,319.60

Finding the Fourth Proportional to 57,436.36, 86,147.70 and 15,319.60

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Solution

The fourth proportional to 57,436.36, 86,147.70 and 15,319.60 is: 22,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,436.36 : 86,147.70 = 15,319.60 : x
  2. Step 2: Convert to fraction form
    57,436.36/86,147.70 = 15,319.60/x
  3. Step 3: Cross multiply
    57,436.36x = 86,147.70 × 15,319.60
  4. Step 4: Simplify right side
    57,436.36x = 1,319,748,304.92
  5. Step 5: Solve for x
    x = 1,319,748,304.92/57,436.36
  6. Step 6: Final answer
    x = 22,977.58

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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.