Home / 39,182.48-58,782.36-12,895.28

Finding the Fourth Proportional to 39,182.48, 58,782.36 and 12,895.28

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Solution

The fourth proportional to 39,182.48, 58,782.36 and 12,895.28 is: 19,345.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.48 : 58,782.36 = 12,895.28 : x
  2. Step 2: Convert to fraction form
    39,182.48/58,782.36 = 12,895.28/x
  3. Step 3: Cross multiply
    39,182.48x = 58,782.36 × 12,895.28
  4. Step 4: Simplify right side
    39,182.48x = 758,014,991.26
  5. Step 5: Solve for x
    x = 758,014,991.26/39,182.48
  6. Step 6: Final answer
    x = 19,345.76

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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.