Home / 34,647.64-47,814.10-18,732.40

Finding the Fourth Proportional to 34,647.64, 47,814.10 and 18,732.40

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Solution

The fourth proportional to 34,647.64, 47,814.10 and 18,732.40 is: 25,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,647.64 : 47,814.10 = 18,732.40 : x
  2. Step 2: Convert to fraction form
    34,647.64/47,814.10 = 18,732.40/x
  3. Step 3: Cross multiply
    34,647.64x = 47,814.10 × 18,732.40
  4. Step 4: Simplify right side
    34,647.64x = 895,672,846.84
  5. Step 5: Solve for x
    x = 895,672,846.84/34,647.64
  6. Step 6: Final answer
    x = 25,850.90

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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.