Home / 43,444.32-65,158.80-12,271.20

Finding the Fourth Proportional to 43,444.32, 65,158.80 and 12,271.20

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Solution

The fourth proportional to 43,444.32, 65,158.80 and 12,271.20 is: 18,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,444.32 : 65,158.80 = 12,271.20 : x
  2. Step 2: Convert to fraction form
    43,444.32/65,158.80 = 12,271.20/x
  3. Step 3: Cross multiply
    43,444.32x = 65,158.80 × 12,271.20
  4. Step 4: Simplify right side
    43,444.32x = 799,576,666.56
  5. Step 5: Solve for x
    x = 799,576,666.56/43,444.32
  6. Step 6: Final answer
    x = 18,404.63

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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.