Home / 43,343.16-65,003.40-12,171.12

Finding the Fourth Proportional to 43,343.16, 65,003.40 and 12,171.12

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Solution

The fourth proportional to 43,343.16, 65,003.40 and 12,171.12 is: 18,253.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,343.16 : 65,003.40 = 12,171.12 : x
  2. Step 2: Convert to fraction form
    43,343.16/65,003.40 = 12,171.12/x
  3. Step 3: Cross multiply
    43,343.16x = 65,003.40 × 12,171.12
  4. Step 4: Simplify right side
    43,343.16x = 791,164,181.81
  5. Step 5: Solve for x
    x = 791,164,181.81/43,343.16
  6. Step 6: Final answer
    x = 18,253.50

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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.