Home / 43,358.48-65,043.24-13,765.76

Finding the Fourth Proportional to 43,358.48, 65,043.24 and 13,765.76

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Solution

The fourth proportional to 43,358.48, 65,043.24 and 13,765.76 is: 20,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,358.48 : 65,043.24 = 13,765.76 : x
  2. Step 2: Convert to fraction form
    43,358.48/65,043.24 = 13,765.76/x
  3. Step 3: Cross multiply
    43,358.48x = 65,043.24 × 13,765.76
  4. Step 4: Simplify right side
    43,358.48x = 895,369,631.46
  5. Step 5: Solve for x
    x = 895,369,631.46/43,358.48
  6. Step 6: Final answer
    x = 20,650.39

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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.