Home / 43,330.57-65,005.58-13,749.37

Finding the Fourth Proportional to 43,330.57, 65,005.58 and 13,749.37

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Solution

The fourth proportional to 43,330.57, 65,005.58 and 13,749.37 is: 20,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.57 : 65,005.58 = 13,749.37 : x
  2. Step 2: Convert to fraction form
    43,330.57/65,005.58 = 13,749.37/x
  3. Step 3: Cross multiply
    43,330.57x = 65,005.58 × 13,749.37
  4. Step 4: Simplify right side
    43,330.57x = 893,785,771.48
  5. Step 5: Solve for x
    x = 893,785,771.48/43,330.57
  6. Step 6: Final answer
    x = 20,627.14

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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.