Home / 30,187.01-45,265.79-9,122.99

Finding the Fourth Proportional to 30,187.01, 45,265.79 and 9,122.99

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Solution

The fourth proportional to 30,187.01, 45,265.79 and 9,122.99 is: 13,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.01 : 45,265.79 = 9,122.99 : x
  2. Step 2: Convert to fraction form
    30,187.01/45,265.79 = 9,122.99/x
  3. Step 3: Cross multiply
    30,187.01x = 45,265.79 × 9,122.99
  4. Step 4: Simplify right side
    30,187.01x = 412,959,145.99
  5. Step 5: Solve for x
    x = 412,959,145.99/30,187.01
  6. Step 6: Final answer
    x = 13,680.03

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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.