Home / 30,040.57-45,062.53-13,401.75

Finding the Fourth Proportional to 30,040.57, 45,062.53 and 13,401.75

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Solution

The fourth proportional to 30,040.57, 45,062.53 and 13,401.75 is: 20,103.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040.57 : 45,062.53 = 13,401.75 : x
  2. Step 2: Convert to fraction form
    30,040.57/45,062.53 = 13,401.75/x
  3. Step 3: Cross multiply
    30,040.57x = 45,062.53 × 13,401.75
  4. Step 4: Simplify right side
    30,040.57x = 603,916,896.91
  5. Step 5: Solve for x
    x = 603,916,896.91/30,040.57
  6. Step 6: Final answer
    x = 20,103.38

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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.