Home / 43,502.72-65,244.48-12,337.28

Finding the Fourth Proportional to 43,502.72, 65,244.48 and 12,337.28

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Solution

The fourth proportional to 43,502.72, 65,244.48 and 12,337.28 is: 18,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,502.72 : 65,244.48 = 12,337.28 : x
  2. Step 2: Convert to fraction form
    43,502.72/65,244.48 = 12,337.28/x
  3. Step 3: Cross multiply
    43,502.72x = 65,244.48 × 12,337.28
  4. Step 4: Simplify right side
    43,502.72x = 804,939,418.21
  5. Step 5: Solve for x
    x = 804,939,418.21/43,502.72
  6. Step 6: Final answer
    x = 18,503.20

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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.