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Finding the Fourth Proportional to 35,668.76, 49,223.30 and 19,753.47

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Solution

The fourth proportional to 35,668.76, 49,223.30 and 19,753.47 is: 27,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,668.76 : 49,223.30 = 19,753.47 : x
  2. Step 2: Convert to fraction form
    35,668.76/49,223.30 = 19,753.47/x
  3. Step 3: Cross multiply
    35,668.76x = 49,223.30 × 19,753.47
  4. Step 4: Simplify right side
    35,668.76x = 972,330,881.08
  5. Step 5: Solve for x
    x = 972,330,881.08/35,668.76
  6. Step 6: Final answer
    x = 27,260.02

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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.