Home / 30,310.34-45,466.72-15,515.28

Finding the Fourth Proportional to 30,310.34, 45,466.72 and 15,515.28

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Solution

The fourth proportional to 30,310.34, 45,466.72 and 15,515.28 is: 23,273.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.34 : 45,466.72 = 15,515.28 : x
  2. Step 2: Convert to fraction form
    30,310.34/45,466.72 = 15,515.28/x
  3. Step 3: Cross multiply
    30,310.34x = 45,466.72 × 15,515.28
  4. Step 4: Simplify right side
    30,310.34x = 705,428,852.69
  5. Step 5: Solve for x
    x = 705,428,852.69/30,310.34
  6. Step 6: Final answer
    x = 23,273.54

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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.