Home / 49,953.48-68,947.56-28,745.16

Finding the Fourth Proportional to 49,953.48, 68,947.56 and 28,745.16

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Solution

The fourth proportional to 49,953.48, 68,947.56 and 28,745.16 is: 39,675.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,953.48 : 68,947.56 = 28,745.16 : x
  2. Step 2: Convert to fraction form
    49,953.48/68,947.56 = 28,745.16/x
  3. Step 3: Cross multiply
    49,953.48x = 68,947.56 × 28,745.16
  4. Step 4: Simplify right side
    49,953.48x = 1,981,908,643.81
  5. Step 5: Solve for x
    x = 1,981,908,643.81/49,953.48
  6. Step 6: Final answer
    x = 39,675.09

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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.