Home / 43,412.64-65,124.23-12,247.89

Finding the Fourth Proportional to 43,412.64, 65,124.23 and 12,247.89

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Solution

The fourth proportional to 43,412.64, 65,124.23 and 12,247.89 is: 18,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,412.64 : 65,124.23 = 12,247.89 : x
  2. Step 2: Convert to fraction form
    43,412.64/65,124.23 = 12,247.89/x
  3. Step 3: Cross multiply
    43,412.64x = 65,124.23 × 12,247.89
  4. Step 4: Simplify right side
    43,412.64x = 797,634,344.14
  5. Step 5: Solve for x
    x = 797,634,344.14/43,412.64
  6. Step 6: Final answer
    x = 18,373.32

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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.