Home / 34,381.05-51,571.61-9,421.30

Finding the Fourth Proportional to 34,381.05, 51,571.61 and 9,421.30

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Solution

The fourth proportional to 34,381.05, 51,571.61 and 9,421.30 is: 14,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,381.05 : 51,571.61 = 9,421.30 : x
  2. Step 2: Convert to fraction form
    34,381.05/51,571.61 = 9,421.30/x
  3. Step 3: Cross multiply
    34,381.05x = 51,571.61 × 9,421.30
  4. Step 4: Simplify right side
    34,381.05x = 485,871,609.29
  5. Step 5: Solve for x
    x = 485,871,609.29/34,381.05
  6. Step 6: Final answer
    x = 14,131.96

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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.