Home / 39,722.53-59,580.71-18,667.18

Finding the Fourth Proportional to 39,722.53, 59,580.71 and 18,667.18

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Solution

The fourth proportional to 39,722.53, 59,580.71 and 18,667.18 is: 27,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722.53 : 59,580.71 = 18,667.18 : x
  2. Step 2: Convert to fraction form
    39,722.53/59,580.71 = 18,667.18/x
  3. Step 3: Cross multiply
    39,722.53x = 59,580.71 × 18,667.18
  4. Step 4: Simplify right side
    39,722.53x = 1,112,204,161.81
  5. Step 5: Solve for x
    x = 1,112,204,161.81/39,722.53
  6. Step 6: Final answer
    x = 27,999.33

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1.5x scale

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.