Home / 34,780.08-52,129.80-16,020.72

Finding the Fourth Proportional to 34,780.08, 52,129.80 and 16,020.72

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Solution

The fourth proportional to 34,780.08, 52,129.80 and 16,020.72 is: 24,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,780.08 : 52,129.80 = 16,020.72 : x
  2. Step 2: Convert to fraction form
    34,780.08/52,129.80 = 16,020.72/x
  3. Step 3: Cross multiply
    34,780.08x = 52,129.80 × 16,020.72
  4. Step 4: Simplify right side
    34,780.08x = 835,156,929.46
  5. Step 5: Solve for x
    x = 835,156,929.46/34,780.08
  6. Step 6: Final answer
    x = 24,012.51

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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.