Home / 39,111.54-58,653-14,145.60

Finding the Fourth Proportional to 39,111.54, 58,653 and 14,145.60

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Solution

The fourth proportional to 39,111.54, 58,653 and 14,145.60 is: 21,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111.54 : 58,653 = 14,145.60 : x
  2. Step 2: Convert to fraction form
    39,111.54/58,653 = 14,145.60/x
  3. Step 3: Cross multiply
    39,111.54x = 58,653 × 14,145.60
  4. Step 4: Simplify right side
    39,111.54x = 829,681,876.80
  5. Step 5: Solve for x
    x = 829,681,876.80/39,111.54
  6. Step 6: Final answer
    x = 21,213.22

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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.