Home / 39,989.24-59,985.48-10,409.64

Finding the Fourth Proportional to 39,989.24, 59,985.48 and 10,409.64

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Solution

The fourth proportional to 39,989.24, 59,985.48 and 10,409.64 is: 15,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,989.24 : 59,985.48 = 10,409.64 : x
  2. Step 2: Convert to fraction form
    39,989.24/59,985.48 = 10,409.64/x
  3. Step 3: Cross multiply
    39,989.24x = 59,985.48 × 10,409.64
  4. Step 4: Simplify right side
    39,989.24x = 624,427,252.03
  5. Step 5: Solve for x
    x = 624,427,252.03/39,989.24
  6. Step 6: Final answer
    x = 15,614.88

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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.