Home / 39,172.49-58,628.79-35,670.59

Finding the Fourth Proportional to 39,172.49, 58,628.79 and 35,670.59

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Solution

The fourth proportional to 39,172.49, 58,628.79 and 35,670.59 is: 53,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172.49 : 58,628.79 = 35,670.59 : x
  2. Step 2: Convert to fraction form
    39,172.49/58,628.79 = 35,670.59/x
  3. Step 3: Cross multiply
    39,172.49x = 58,628.79 × 35,670.59
  4. Step 4: Simplify right side
    39,172.49x = 2,091,323,237.14
  5. Step 5: Solve for x
    x = 2,091,323,237.14/39,172.49
  6. Step 6: Final answer
    x = 53,387.56

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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.