Home / 30,466.56-45,617.40-19,910.28

Finding the Fourth Proportional to 30,466.56, 45,617.40 and 19,910.28

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Solution

The fourth proportional to 30,466.56, 45,617.40 and 19,910.28 is: 29,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466.56 : 45,617.40 = 19,910.28 : x
  2. Step 2: Convert to fraction form
    30,466.56/45,617.40 = 19,910.28/x
  3. Step 3: Cross multiply
    30,466.56x = 45,617.40 × 19,910.28
  4. Step 4: Simplify right side
    30,466.56x = 908,255,206.87
  5. Step 5: Solve for x
    x = 908,255,206.87/30,466.56
  6. Step 6: Final answer
    x = 29,811.54

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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.