Home / 39,119.58-58,579.20-21,569.94

Finding the Fourth Proportional to 39,119.58, 58,579.20 and 21,569.94

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Solution

The fourth proportional to 39,119.58, 58,579.20 and 21,569.94 is: 32,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,119.58 : 58,579.20 = 21,569.94 : x
  2. Step 2: Convert to fraction form
    39,119.58/58,579.20 = 21,569.94/x
  3. Step 3: Cross multiply
    39,119.58x = 58,579.20 × 21,569.94
  4. Step 4: Simplify right side
    39,119.58x = 1,263,549,829.25
  5. Step 5: Solve for x
    x = 1,263,549,829.25/39,119.58
  6. Step 6: Final answer
    x = 32,299.68

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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.