Home / 39,325.60-58,964.20-19,309.64

Finding the Fourth Proportional to 39,325.60, 58,964.20 and 19,309.64

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Solution

The fourth proportional to 39,325.60, 58,964.20 and 19,309.64 is: 28,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,325.60 : 58,964.20 = 19,309.64 : x
  2. Step 2: Convert to fraction form
    39,325.60/58,964.20 = 19,309.64/x
  3. Step 3: Cross multiply
    39,325.60x = 58,964.20 × 19,309.64
  4. Step 4: Simplify right side
    39,325.60x = 1,138,577,474.89
  5. Step 5: Solve for x
    x = 1,138,577,474.89/39,325.60
  6. Step 6: Final answer
    x = 28,952.58

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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.