Home / 39,516.74-59,283.22-13,221.72

Finding the Fourth Proportional to 39,516.74, 59,283.22 and 13,221.72

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Solution

The fourth proportional to 39,516.74, 59,283.22 and 13,221.72 is: 19,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,516.74 : 59,283.22 = 13,221.72 : x
  2. Step 2: Convert to fraction form
    39,516.74/59,283.22 = 13,221.72/x
  3. Step 3: Cross multiply
    39,516.74x = 59,283.22 × 13,221.72
  4. Step 4: Simplify right side
    39,516.74x = 783,826,135.54
  5. Step 5: Solve for x
    x = 783,826,135.54/39,516.74
  6. Step 6: Final answer
    x = 19,835.29

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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.