Home / 30,012.12-45,018.30-16,693.32

Finding the Fourth Proportional to 30,012.12, 45,018.30 and 16,693.32

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Solution

The fourth proportional to 30,012.12, 45,018.30 and 16,693.32 is: 25,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,012.12 : 45,018.30 = 16,693.32 : x
  2. Step 2: Convert to fraction form
    30,012.12/45,018.30 = 16,693.32/x
  3. Step 3: Cross multiply
    30,012.12x = 45,018.30 × 16,693.32
  4. Step 4: Simplify right side
    30,012.12x = 751,504,887.76
  5. Step 5: Solve for x
    x = 751,504,887.76/30,012.12
  6. Step 6: Final answer
    x = 25,040.05

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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.