Home / 34,207.40-51,213.90-30,708.20

Finding the Fourth Proportional to 34,207.40, 51,213.90 and 30,708.20

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Solution

The fourth proportional to 34,207.40, 51,213.90 and 30,708.20 is: 45,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,207.40 : 51,213.90 = 30,708.20 : x
  2. Step 2: Convert to fraction form
    34,207.40/51,213.90 = 30,708.20/x
  3. Step 3: Cross multiply
    34,207.40x = 51,213.90 × 30,708.20
  4. Step 4: Simplify right side
    34,207.40x = 1,572,686,683.98
  5. Step 5: Solve for x
    x = 1,572,686,683.98/34,207.40
  6. Step 6: Final answer
    x = 45,975.04

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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.