Home / 39,409.96-59,113.28-18,342.75

Finding the Fourth Proportional to 39,409.96, 59,113.28 and 18,342.75

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Solution

The fourth proportional to 39,409.96, 59,113.28 and 18,342.75 is: 27,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.96 : 59,113.28 = 18,342.75 : x
  2. Step 2: Convert to fraction form
    39,409.96/59,113.28 = 18,342.75/x
  3. Step 3: Cross multiply
    39,409.96x = 59,113.28 × 18,342.75
  4. Step 4: Simplify right side
    39,409.96x = 1,084,300,192.20
  5. Step 5: Solve for x
    x = 1,084,300,192.20/39,409.96
  6. Step 6: Final answer
    x = 27,513.36

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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.