Home / 39,211.29-54,099.63-22,212.81

Finding the Fourth Proportional to 39,211.29, 54,099.63 and 22,212.81

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Solution

The fourth proportional to 39,211.29, 54,099.63 and 22,212.81 is: 30,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,211.29 : 54,099.63 = 22,212.81 : x
  2. Step 2: Convert to fraction form
    39,211.29/54,099.63 = 22,212.81/x
  3. Step 3: Cross multiply
    39,211.29x = 54,099.63 × 22,212.81
  4. Step 4: Simplify right side
    39,211.29x = 1,201,704,802.26
  5. Step 5: Solve for x
    x = 1,201,704,802.26/39,211.29
  6. Step 6: Final answer
    x = 30,646.91

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1.5x scale

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.