Home / 47,408.10-65,420.55-29,502.54

Finding the Fourth Proportional to 47,408.10, 65,420.55 and 29,502.54

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Solution

The fourth proportional to 47,408.10, 65,420.55 and 29,502.54 is: 40,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,408.10 : 65,420.55 = 29,502.54 : x
  2. Step 2: Convert to fraction form
    47,408.10/65,420.55 = 29,502.54/x
  3. Step 3: Cross multiply
    47,408.10x = 65,420.55 × 29,502.54
  4. Step 4: Simplify right side
    47,408.10x = 1,930,072,393.20
  5. Step 5: Solve for x
    x = 1,930,072,393.20/47,408.10
  6. Step 6: Final answer
    x = 40,711.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.