Home / 30,066.03-45,114.61-21,814.16

Finding the Fourth Proportional to 30,066.03, 45,114.61 and 21,814.16

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Solution

The fourth proportional to 30,066.03, 45,114.61 and 21,814.16 is: 32,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.03 : 45,114.61 = 21,814.16 : x
  2. Step 2: Convert to fraction form
    30,066.03/45,114.61 = 21,814.16/x
  3. Step 3: Cross multiply
    30,066.03x = 45,114.61 × 21,814.16
  4. Step 4: Simplify right side
    30,066.03x = 984,137,320.88
  5. Step 5: Solve for x
    x = 984,137,320.88/30,066.03
  6. Step 6: Final answer
    x = 32,732.53

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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.