Home / 30,308.80-45,425.40-15,523.60

Finding the Fourth Proportional to 30,308.80, 45,425.40 and 15,523.60

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Solution

The fourth proportional to 30,308.80, 45,425.40 and 15,523.60 is: 23,266.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,308.80 : 45,425.40 = 15,523.60 : x
  2. Step 2: Convert to fraction form
    30,308.80/45,425.40 = 15,523.60/x
  3. Step 3: Cross multiply
    30,308.80x = 45,425.40 × 15,523.60
  4. Step 4: Simplify right side
    30,308.80x = 705,165,739.44
  5. Step 5: Solve for x
    x = 705,165,739.44/30,308.80
  6. Step 6: Final answer
    x = 23,266.04

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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.