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Finding the Fourth Proportional to 34,008.19, 51,004.19 and 14,287.13

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Solution

The fourth proportional to 34,008.19, 51,004.19 and 14,287.13 is: 21,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,008.19 : 51,004.19 = 14,287.13 : x
  2. Step 2: Convert to fraction form
    34,008.19/51,004.19 = 14,287.13/x
  3. Step 3: Cross multiply
    34,008.19x = 51,004.19 × 14,287.13
  4. Step 4: Simplify right side
    34,008.19x = 728,703,421.64
  5. Step 5: Solve for x
    x = 728,703,421.64/34,008.19
  6. Step 6: Final answer
    x = 21,427.29

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1.5x scale

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.