Home / 38,916.83-58,383.44-12,619.52

Finding the Fourth Proportional to 38,916.83, 58,383.44 and 12,619.52

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Solution

The fourth proportional to 38,916.83, 58,383.44 and 12,619.52 is: 18,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916.83 : 58,383.44 = 12,619.52 : x
  2. Step 2: Convert to fraction form
    38,916.83/58,383.44 = 12,619.52/x
  3. Step 3: Cross multiply
    38,916.83x = 58,383.44 × 12,619.52
  4. Step 4: Simplify right side
    38,916.83x = 736,771,166.26
  5. Step 5: Solve for x
    x = 736,771,166.26/38,916.83
  6. Step 6: Final answer
    x = 18,931.94

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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.