Home / 45,018.12-67,504.50-15,021.80

Finding the Fourth Proportional to 45,018.12, 67,504.50 and 15,021.80

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Solution

The fourth proportional to 45,018.12, 67,504.50 and 15,021.80 is: 22,525.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,018.12 : 67,504.50 = 15,021.80 : x
  2. Step 2: Convert to fraction form
    45,018.12/67,504.50 = 15,021.80/x
  3. Step 3: Cross multiply
    45,018.12x = 67,504.50 × 15,021.80
  4. Step 4: Simplify right side
    45,018.12x = 1,014,038,760.58
  5. Step 5: Solve for x
    x = 1,014,038,760.58/45,018.12
  6. Step 6: Final answer
    x = 22,525.12

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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.