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Finding the Fourth Proportional to 62,454.71, 93,668.64 and 19,763.52

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Solution

The fourth proportional to 62,454.71, 93,668.64 and 19,763.52 is: 29,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,454.71 : 93,668.64 = 19,763.52 : x
  2. Step 2: Convert to fraction form
    62,454.71/93,668.64 = 19,763.52/x
  3. Step 3: Cross multiply
    62,454.71x = 93,668.64 × 19,763.52
  4. Step 4: Simplify right side
    62,454.71x = 1,851,222,040.01
  5. Step 5: Solve for x
    x = 1,851,222,040.01/62,454.71
  6. Step 6: Final answer
    x = 29,641.03

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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.