Home / 46,558.78-69,838.48-13,278.76

Finding the Fourth Proportional to 46,558.78, 69,838.48 and 13,278.76

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Solution

The fourth proportional to 46,558.78, 69,838.48 and 13,278.76 is: 19,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,558.78 : 69,838.48 = 13,278.76 : x
  2. Step 2: Convert to fraction form
    46,558.78/69,838.48 = 13,278.76/x
  3. Step 3: Cross multiply
    46,558.78x = 69,838.48 × 13,278.76
  4. Step 4: Simplify right side
    46,558.78x = 927,368,414.68
  5. Step 5: Solve for x
    x = 927,368,414.68/46,558.78
  6. Step 6: Final answer
    x = 19,918.23

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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.