Home / 39,772.11-59,667.89-13,477.08

Finding the Fourth Proportional to 39,772.11, 59,667.89 and 13,477.08

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Solution

The fourth proportional to 39,772.11, 59,667.89 and 13,477.08 is: 20,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,772.11 : 59,667.89 = 13,477.08 : x
  2. Step 2: Convert to fraction form
    39,772.11/59,667.89 = 13,477.08/x
  3. Step 3: Cross multiply
    39,772.11x = 59,667.89 × 13,477.08
  4. Step 4: Simplify right side
    39,772.11x = 804,149,159.14
  5. Step 5: Solve for x
    x = 804,149,159.14/39,772.11
  6. Step 6: Final answer
    x = 20,218.92

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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.