Home / 39,534.48-59,289.53-20,804.36

Finding the Fourth Proportional to 39,534.48, 59,289.53 and 20,804.36

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Solution

The fourth proportional to 39,534.48, 59,289.53 and 20,804.36 is: 31,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,534.48 : 59,289.53 = 20,804.36 : x
  2. Step 2: Convert to fraction form
    39,534.48/59,289.53 = 20,804.36/x
  3. Step 3: Cross multiply
    39,534.48x = 59,289.53 × 20,804.36
  4. Step 4: Simplify right side
    39,534.48x = 1,233,480,325.88
  5. Step 5: Solve for x
    x = 1,233,480,325.88/39,534.48
  6. Step 6: Final answer
    x = 31,200.12

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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.