Home / 30,325.96-41,867.16-20,271.46

Finding the Fourth Proportional to 30,325.96, 41,867.16 and 20,271.46

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Solution

The fourth proportional to 30,325.96, 41,867.16 and 20,271.46 is: 27,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,325.96 : 41,867.16 = 20,271.46 : x
  2. Step 2: Convert to fraction form
    30,325.96/41,867.16 = 20,271.46/x
  3. Step 3: Cross multiply
    30,325.96x = 41,867.16 × 20,271.46
  4. Step 4: Simplify right side
    30,325.96x = 848,708,459.25
  5. Step 5: Solve for x
    x = 848,708,459.25/30,325.96
  6. Step 6: Final answer
    x = 27,986.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.