Home / 30,134.04-45,195.93-7,947.63

Finding the Fourth Proportional to 30,134.04, 45,195.93 and 7,947.63

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Solution

The fourth proportional to 30,134.04, 45,195.93 and 7,947.63 is: 11,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.04 : 45,195.93 = 7,947.63 : x
  2. Step 2: Convert to fraction form
    30,134.04/45,195.93 = 7,947.63/x
  3. Step 3: Cross multiply
    30,134.04x = 45,195.93 × 7,947.63
  4. Step 4: Simplify right side
    30,134.04x = 359,200,529.15
  5. Step 5: Solve for x
    x = 359,200,529.15/30,134.04
  6. Step 6: Final answer
    x = 11,920.09

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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.