Home / 34,190.40-51,261.30-13,122.30

Finding the Fourth Proportional to 34,190.40, 51,261.30 and 13,122.30

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Solution

The fourth proportional to 34,190.40, 51,261.30 and 13,122.30 is: 19,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,190.40 : 51,261.30 = 13,122.30 : x
  2. Step 2: Convert to fraction form
    34,190.40/51,261.30 = 13,122.30/x
  3. Step 3: Cross multiply
    34,190.40x = 51,261.30 × 13,122.30
  4. Step 4: Simplify right side
    34,190.40x = 672,666,156.99
  5. Step 5: Solve for x
    x = 672,666,156.99/34,190.40
  6. Step 6: Final answer
    x = 19,674.12

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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.