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Finding the Fourth Proportional to 34,308.40, 51,467.40 and 14,586.80

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Solution

The fourth proportional to 34,308.40, 51,467.40 and 14,586.80 is: 21,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,308.40 : 51,467.40 = 14,586.80 : x
  2. Step 2: Convert to fraction form
    34,308.40/51,467.40 = 14,586.80/x
  3. Step 3: Cross multiply
    34,308.40x = 51,467.40 × 14,586.80
  4. Step 4: Simplify right side
    34,308.40x = 750,744,670.32
  5. Step 5: Solve for x
    x = 750,744,670.32/34,308.40
  6. Step 6: Final answer
    x = 21,882.24

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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.