Home / 65,725.94-98,647.50-30,685.34

Finding the Fourth Proportional to 65,725.94, 98,647.50 and 30,685.34

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Solution

The fourth proportional to 65,725.94, 98,647.50 and 30,685.34 is: 46,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,725.94 : 98,647.50 = 30,685.34 : x
  2. Step 2: Convert to fraction form
    65,725.94/98,647.50 = 30,685.34/x
  3. Step 3: Cross multiply
    65,725.94x = 98,647.50 × 30,685.34
  4. Step 4: Simplify right side
    65,725.94x = 3,027,032,077.65
  5. Step 5: Solve for x
    x = 3,027,032,077.65/65,725.94
  6. Step 6: Final answer
    x = 46,055.36

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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.