Home / 45,548.78-62,886.56-28,576.31

Finding the Fourth Proportional to 45,548.78, 62,886.56 and 28,576.31

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Solution

The fourth proportional to 45,548.78, 62,886.56 and 28,576.31 is: 39,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,548.78 : 62,886.56 = 28,576.31 : x
  2. Step 2: Convert to fraction form
    45,548.78/62,886.56 = 28,576.31/x
  3. Step 3: Cross multiply
    45,548.78x = 62,886.56 × 28,576.31
  4. Step 4: Simplify right side
    45,548.78x = 1,797,065,376.08
  5. Step 5: Solve for x
    x = 1,797,065,376.08/45,548.78
  6. Step 6: Final answer
    x = 39,453.65

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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.