Home / 39,739.08-59,578.52-19,756.74

Finding the Fourth Proportional to 39,739.08, 59,578.52 and 19,756.74

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Solution

The fourth proportional to 39,739.08, 59,578.52 and 19,756.74 is: 29,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,739.08 : 59,578.52 = 19,756.74 : x
  2. Step 2: Convert to fraction form
    39,739.08/59,578.52 = 19,756.74/x
  3. Step 3: Cross multiply
    39,739.08x = 59,578.52 × 19,756.74
  4. Step 4: Simplify right side
    39,739.08x = 1,177,077,329.22
  5. Step 5: Solve for x
    x = 1,177,077,329.22/39,739.08
  6. Step 6: Final answer
    x = 29,620.15

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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.