Home / 43,330.24-65,004.96-13,749.76

Finding the Fourth Proportional to 43,330.24, 65,004.96 and 13,749.76

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Solution

The fourth proportional to 43,330.24, 65,004.96 and 13,749.76 is: 20,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.24 : 65,004.96 = 13,749.76 : x
  2. Step 2: Convert to fraction form
    43,330.24/65,004.96 = 13,749.76/x
  3. Step 3: Cross multiply
    43,330.24x = 65,004.96 × 13,749.76
  4. Step 4: Simplify right side
    43,330.24x = 893,802,598.81
  5. Step 5: Solve for x
    x = 893,802,598.81/43,330.24
  6. Step 6: Final answer
    x = 20,627.69

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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.