Home / 39,687.55-59,533.14-13,392.52

Finding the Fourth Proportional to 39,687.55, 59,533.14 and 13,392.52

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Solution

The fourth proportional to 39,687.55, 59,533.14 and 13,392.52 is: 20,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,687.55 : 59,533.14 = 13,392.52 : x
  2. Step 2: Convert to fraction form
    39,687.55/59,533.14 = 13,392.52/x
  3. Step 3: Cross multiply
    39,687.55x = 59,533.14 × 13,392.52
  4. Step 4: Simplify right side
    39,687.55x = 797,298,768.11
  5. Step 5: Solve for x
    x = 797,298,768.11/39,687.55
  6. Step 6: Final answer
    x = 20,089.39

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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.