Home / 46,263.72-69,385.19-21,279.77

Finding the Fourth Proportional to 46,263.72, 69,385.19 and 21,279.77

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Solution

The fourth proportional to 46,263.72, 69,385.19 and 21,279.77 is: 31,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,263.72 : 69,385.19 = 21,279.77 : x
  2. Step 2: Convert to fraction form
    46,263.72/69,385.19 = 21,279.77/x
  3. Step 3: Cross multiply
    46,263.72x = 69,385.19 × 21,279.77
  4. Step 4: Simplify right side
    46,263.72x = 1,476,501,111.27
  5. Step 5: Solve for x
    x = 1,476,501,111.27/46,263.72
  6. Step 6: Final answer
    x = 31,914.88

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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.