Home / 39,869.86-59,804.72-11,790.26

Finding the Fourth Proportional to 39,869.86, 59,804.72 and 11,790.26

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Solution

The fourth proportional to 39,869.86, 59,804.72 and 11,790.26 is: 17,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,869.86 : 59,804.72 = 11,790.26 : x
  2. Step 2: Convert to fraction form
    39,869.86/59,804.72 = 11,790.26/x
  3. Step 3: Cross multiply
    39,869.86x = 59,804.72 × 11,790.26
  4. Step 4: Simplify right side
    39,869.86x = 705,113,198.03
  5. Step 5: Solve for x
    x = 705,113,198.03/39,869.86
  6. Step 6: Final answer
    x = 17,685.37

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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.