Home / 34,969.38-52,461.80-12,782.72

Finding the Fourth Proportional to 34,969.38, 52,461.80 and 12,782.72

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Solution

The fourth proportional to 34,969.38, 52,461.80 and 12,782.72 is: 19,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,969.38 : 52,461.80 = 12,782.72 : x
  2. Step 2: Convert to fraction form
    34,969.38/52,461.80 = 12,782.72/x
  3. Step 3: Cross multiply
    34,969.38x = 52,461.80 × 12,782.72
  4. Step 4: Simplify right side
    34,969.38x = 670,604,173.87
  5. Step 5: Solve for x
    x = 670,604,173.87/34,969.38
  6. Step 6: Final answer
    x = 19,176.90

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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.