Home / 39,053.45-53,893.82-21,148.49

Finding the Fourth Proportional to 39,053.45, 53,893.82 and 21,148.49

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Solution

The fourth proportional to 39,053.45, 53,893.82 and 21,148.49 is: 29,184.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,053.45 : 53,893.82 = 21,148.49 : x
  2. Step 2: Convert to fraction form
    39,053.45/53,893.82 = 21,148.49/x
  3. Step 3: Cross multiply
    39,053.45x = 53,893.82 × 21,148.49
  4. Step 4: Simplify right side
    39,053.45x = 1,139,772,538.12
  5. Step 5: Solve for x
    x = 1,139,772,538.12/39,053.45
  6. Step 6: Final answer
    x = 29,184.94

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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.