Home / 35,658.56-49,193.36-21,503.52

Finding the Fourth Proportional to 35,658.56, 49,193.36 and 21,503.52

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Solution

The fourth proportional to 35,658.56, 49,193.36 and 21,503.52 is: 29,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.56 : 49,193.36 = 21,503.52 : x
  2. Step 2: Convert to fraction form
    35,658.56/49,193.36 = 21,503.52/x
  3. Step 3: Cross multiply
    35,658.56x = 49,193.36 × 21,503.52
  4. Step 4: Simplify right side
    35,658.56x = 1,057,830,400.63
  5. Step 5: Solve for x
    x = 1,057,830,400.63/35,658.56
  6. Step 6: Final answer
    x = 29,665.54

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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.