Home / 30,273.42-45,348.21-14,678.22

Finding the Fourth Proportional to 30,273.42, 45,348.21 and 14,678.22

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Solution

The fourth proportional to 30,273.42, 45,348.21 and 14,678.22 is: 21,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.42 : 45,348.21 = 14,678.22 : x
  2. Step 2: Convert to fraction form
    30,273.42/45,348.21 = 14,678.22/x
  3. Step 3: Cross multiply
    30,273.42x = 45,348.21 × 14,678.22
  4. Step 4: Simplify right side
    30,273.42x = 665,631,002.99
  5. Step 5: Solve for x
    x = 665,631,002.99/30,273.42
  6. Step 6: Final answer
    x = 21,987.31

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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.