Home / 34,038.72-46,967.76-18,930.96

Finding the Fourth Proportional to 34,038.72, 46,967.76 and 18,930.96

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Solution

The fourth proportional to 34,038.72, 46,967.76 and 18,930.96 is: 26,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,038.72 : 46,967.76 = 18,930.96 : x
  2. Step 2: Convert to fraction form
    34,038.72/46,967.76 = 18,930.96/x
  3. Step 3: Cross multiply
    34,038.72x = 46,967.76 × 18,930.96
  4. Step 4: Simplify right side
    34,038.72x = 889,144,785.85
  5. Step 5: Solve for x
    x = 889,144,785.85/34,038.72
  6. Step 6: Final answer
    x = 26,121.57

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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.