Home / 34,676.78-52,002.87-12,484.20

Finding the Fourth Proportional to 34,676.78, 52,002.87 and 12,484.20

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Solution

The fourth proportional to 34,676.78, 52,002.87 and 12,484.20 is: 18,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,676.78 : 52,002.87 = 12,484.20 : x
  2. Step 2: Convert to fraction form
    34,676.78/52,002.87 = 12,484.20/x
  3. Step 3: Cross multiply
    34,676.78x = 52,002.87 × 12,484.20
  4. Step 4: Simplify right side
    34,676.78x = 649,213,907.22
  5. Step 5: Solve for x
    x = 649,213,907.22/34,676.78
  6. Step 6: Final answer
    x = 18,721.87

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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.