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Finding the Fourth Proportional to 44,592.54, 66,889.21 and 19,287.33

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Solution

The fourth proportional to 44,592.54, 66,889.21 and 19,287.33 is: 28,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,592.54 : 66,889.21 = 19,287.33 : x
  2. Step 2: Convert to fraction form
    44,592.54/66,889.21 = 19,287.33/x
  3. Step 3: Cross multiply
    44,592.54x = 66,889.21 × 19,287.33
  4. Step 4: Simplify right side
    44,592.54x = 1,290,114,266.71
  5. Step 5: Solve for x
    x = 1,290,114,266.71/44,592.54
  6. Step 6: Final answer
    x = 28,931.17

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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.