Home / 30,469.04-45,703.46-10,742.84

Finding the Fourth Proportional to 30,469.04, 45,703.46 and 10,742.84

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Solution

The fourth proportional to 30,469.04, 45,703.46 and 10,742.84 is: 16,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,469.04 : 45,703.46 = 10,742.84 : x
  2. Step 2: Convert to fraction form
    30,469.04/45,703.46 = 10,742.84/x
  3. Step 3: Cross multiply
    30,469.04x = 45,703.46 × 10,742.84
  4. Step 4: Simplify right side
    30,469.04x = 490,984,958.23
  5. Step 5: Solve for x
    x = 490,984,958.23/30,469.04
  6. Step 6: Final answer
    x = 16,114.22

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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.