Home / 43,729.60-65,584.64-12,567.36

Finding the Fourth Proportional to 43,729.60, 65,584.64 and 12,567.36

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Solution

The fourth proportional to 43,729.60, 65,584.64 and 12,567.36 is: 18,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,729.60 : 65,584.64 = 12,567.36 : x
  2. Step 2: Convert to fraction form
    43,729.60/65,584.64 = 12,567.36/x
  3. Step 3: Cross multiply
    43,729.60x = 65,584.64 × 12,567.36
  4. Step 4: Simplify right side
    43,729.60x = 824,225,781.35
  5. Step 5: Solve for x
    x = 824,225,781.35/43,729.60
  6. Step 6: Final answer
    x = 18,848.24

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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.