Home / 39,579.93-59,375.95-13,278.52

Finding the Fourth Proportional to 39,579.93, 59,375.95 and 13,278.52

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Solution

The fourth proportional to 39,579.93, 59,375.95 and 13,278.52 is: 19,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,579.93 : 59,375.95 = 13,278.52 : x
  2. Step 2: Convert to fraction form
    39,579.93/59,375.95 = 13,278.52/x
  3. Step 3: Cross multiply
    39,579.93x = 59,375.95 × 13,278.52
  4. Step 4: Simplify right side
    39,579.93x = 788,424,739.59
  5. Step 5: Solve for x
    x = 788,424,739.59/39,579.93
  6. Step 6: Final answer
    x = 19,919.81

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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.