Home / 35,083.40-52,638.19-21,053.49

Finding the Fourth Proportional to 35,083.40, 52,638.19 and 21,053.49

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Solution

The fourth proportional to 35,083.40, 52,638.19 and 21,053.49 is: 31,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,083.40 : 52,638.19 = 21,053.49 : x
  2. Step 2: Convert to fraction form
    35,083.40/52,638.19 = 21,053.49/x
  3. Step 3: Cross multiply
    35,083.40x = 52,638.19 × 21,053.49
  4. Step 4: Simplify right side
    35,083.40x = 1,108,217,356.76
  5. Step 5: Solve for x
    x = 1,108,217,356.76/35,083.40
  6. Step 6: Final answer
    x = 31,588.09

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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.