Home / 39,958.47-60,005.74-38,286.63

Finding the Fourth Proportional to 39,958.47, 60,005.74 and 38,286.63

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Solution

The fourth proportional to 39,958.47, 60,005.74 and 38,286.63 is: 57,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958.47 : 60,005.74 = 38,286.63 : x
  2. Step 2: Convert to fraction form
    39,958.47/60,005.74 = 38,286.63/x
  3. Step 3: Cross multiply
    39,958.47x = 60,005.74 × 38,286.63
  4. Step 4: Simplify right side
    39,958.47x = 2,297,417,169.51
  5. Step 5: Solve for x
    x = 2,297,417,169.51/39,958.47
  6. Step 6: Final answer
    x = 57,495.13

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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.