Home / 39,102.96-53,960.68-23,178

Finding the Fourth Proportional to 39,102.96, 53,960.68 and 23,178

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Solution

The fourth proportional to 39,102.96, 53,960.68 and 23,178 is: 31,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,102.96 : 53,960.68 = 23,178 : x
  2. Step 2: Convert to fraction form
    39,102.96/53,960.68 = 23,178/x
  3. Step 3: Cross multiply
    39,102.96x = 53,960.68 × 23,178
  4. Step 4: Simplify right side
    39,102.96x = 1,250,700,641.04
  5. Step 5: Solve for x
    x = 1,250,700,641.04/39,102.96
  6. Step 6: Final answer
    x = 31,984.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.