Home / 30,425.40-45,638.10-27,084.60

Finding the Fourth Proportional to 30,425.40, 45,638.10 and 27,084.60

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Solution

The fourth proportional to 30,425.40, 45,638.10 and 27,084.60 is: 40,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.40 : 45,638.10 = 27,084.60 : x
  2. Step 2: Convert to fraction form
    30,425.40/45,638.10 = 27,084.60/x
  3. Step 3: Cross multiply
    30,425.40x = 45,638.10 × 27,084.60
  4. Step 4: Simplify right side
    30,425.40x = 1,236,089,683.26
  5. Step 5: Solve for x
    x = 1,236,089,683.26/30,425.40
  6. Step 6: Final answer
    x = 40,626.90

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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.