Home / 45,299.64-62,516.16-28,314.48

Finding the Fourth Proportional to 45,299.64, 62,516.16 and 28,314.48

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Solution

The fourth proportional to 45,299.64, 62,516.16 and 28,314.48 is: 39,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,299.64 : 62,516.16 = 28,314.48 : x
  2. Step 2: Convert to fraction form
    45,299.64/62,516.16 = 28,314.48/x
  3. Step 3: Cross multiply
    45,299.64x = 62,516.16 × 28,314.48
  4. Step 4: Simplify right side
    45,299.64x = 1,770,112,562.00
  5. Step 5: Solve for x
    x = 1,770,112,562.00/45,299.64
  6. Step 6: Final answer
    x = 39,075.64

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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.