Home / 34,206.40-51,212.40-30,707.20

Finding the Fourth Proportional to 34,206.40, 51,212.40 and 30,707.20

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Solution

The fourth proportional to 34,206.40, 51,212.40 and 30,707.20 is: 45,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,206.40 : 51,212.40 = 30,707.20 : x
  2. Step 2: Convert to fraction form
    34,206.40/51,212.40 = 30,707.20/x
  3. Step 3: Cross multiply
    34,206.40x = 51,212.40 × 30,707.20
  4. Step 4: Simplify right side
    34,206.40x = 1,572,589,409.28
  5. Step 5: Solve for x
    x = 1,572,589,409.28/34,206.40
  6. Step 6: Final answer
    x = 45,973.54

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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.