Home / 30,373.05-45,559.31-8,184.59

Finding the Fourth Proportional to 30,373.05, 45,559.31 and 8,184.59

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Solution

The fourth proportional to 30,373.05, 45,559.31 and 8,184.59 is: 12,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,373.05 : 45,559.31 = 8,184.59 : x
  2. Step 2: Convert to fraction form
    30,373.05/45,559.31 = 8,184.59/x
  3. Step 3: Cross multiply
    30,373.05x = 45,559.31 × 8,184.59
  4. Step 4: Simplify right side
    30,373.05x = 372,884,004.31
  5. Step 5: Solve for x
    x = 372,884,004.31/30,373.05
  6. Step 6: Final answer
    x = 12,276.80

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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.