Home / 39,530.13-54,552.60-21,625.89

Finding the Fourth Proportional to 39,530.13, 54,552.60 and 21,625.89

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Solution

The fourth proportional to 39,530.13, 54,552.60 and 21,625.89 is: 29,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,530.13 : 54,552.60 = 21,625.89 : x
  2. Step 2: Convert to fraction form
    39,530.13/54,552.60 = 21,625.89/x
  3. Step 3: Cross multiply
    39,530.13x = 54,552.60 × 21,625.89
  4. Step 4: Simplify right side
    39,530.13x = 1,179,748,526.81
  5. Step 5: Solve for x
    x = 1,179,748,526.81/39,530.13
  6. Step 6: Final answer
    x = 29,844.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.