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Finding the Fourth Proportional to 34,039.61, 51,064.90 and 14,323.80

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Solution

The fourth proportional to 34,039.61, 51,064.90 and 14,323.80 is: 21,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,039.61 : 51,064.90 = 14,323.80 : x
  2. Step 2: Convert to fraction form
    34,039.61/51,064.90 = 14,323.80/x
  3. Step 3: Cross multiply
    34,039.61x = 51,064.90 × 14,323.80
  4. Step 4: Simplify right side
    34,039.61x = 731,443,570.30
  5. Step 5: Solve for x
    x = 731,443,570.30/34,039.61
  6. Step 6: Final answer
    x = 21,488.01

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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.