Home / 79,039.20-118,483.20-39,556.56

Finding the Fourth Proportional to 79,039.20, 118,483.20 and 39,556.56

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Solution

The fourth proportional to 79,039.20, 118,483.20 and 39,556.56 is: 59,297.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,039.20 : 118,483.20 = 39,556.56 : x
  2. Step 2: Convert to fraction form
    79,039.20/118,483.20 = 39,556.56/x
  3. Step 3: Cross multiply
    79,039.20x = 118,483.20 × 39,556.56
  4. Step 4: Simplify right side
    79,039.20x = 4,686,787,809.79
  5. Step 5: Solve for x
    x = 4,686,787,809.79/79,039.20
  6. Step 6: Final answer
    x = 59,297.00

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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.