Home / 30,006.88-45,024.98-20,018.12

Finding the Fourth Proportional to 30,006.88, 45,024.98 and 20,018.12

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Solution

The fourth proportional to 30,006.88, 45,024.98 and 20,018.12 is: 30,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.88 : 45,024.98 = 20,018.12 : x
  2. Step 2: Convert to fraction form
    30,006.88/45,024.98 = 20,018.12/x
  3. Step 3: Cross multiply
    30,006.88x = 45,024.98 × 20,018.12
  4. Step 4: Simplify right side
    30,006.88x = 901,315,452.64
  5. Step 5: Solve for x
    x = 901,315,452.64/30,006.88
  6. Step 6: Final answer
    x = 30,036.96

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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.