Home / 39,710.57-59,548.36-18,656.59

Finding the Fourth Proportional to 39,710.57, 59,548.36 and 18,656.59

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Solution

The fourth proportional to 39,710.57, 59,548.36 and 18,656.59 is: 27,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,710.57 : 59,548.36 = 18,656.59 : x
  2. Step 2: Convert to fraction form
    39,710.57/59,548.36 = 18,656.59/x
  3. Step 3: Cross multiply
    39,710.57x = 59,548.36 × 18,656.59
  4. Step 4: Simplify right side
    39,710.57x = 1,110,969,236.34
  5. Step 5: Solve for x
    x = 1,110,969,236.34/39,710.57
  6. Step 6: Final answer
    x = 27,976.67

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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.