Home / 39,560.40-59,349.60-11,857.68

Finding the Fourth Proportional to 39,560.40, 59,349.60 and 11,857.68

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Solution

The fourth proportional to 39,560.40, 59,349.60 and 11,857.68 is: 17,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.40 : 59,349.60 = 11,857.68 : x
  2. Step 2: Convert to fraction form
    39,560.40/59,349.60 = 11,857.68/x
  3. Step 3: Cross multiply
    39,560.40x = 59,349.60 × 11,857.68
  4. Step 4: Simplify right side
    39,560.40x = 703,748,564.93
  5. Step 5: Solve for x
    x = 703,748,564.93/39,560.40
  6. Step 6: Final answer
    x = 17,789.22

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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.