Home / 57,725.14-79,678.84-33,861.46

Finding the Fourth Proportional to 57,725.14, 79,678.84 and 33,861.46

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Solution

The fourth proportional to 57,725.14, 79,678.84 and 33,861.46 is: 46,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,725.14 : 79,678.84 = 33,861.46 : x
  2. Step 2: Convert to fraction form
    57,725.14/79,678.84 = 33,861.46/x
  3. Step 3: Cross multiply
    57,725.14x = 79,678.84 × 33,861.46
  4. Step 4: Simplify right side
    57,725.14x = 2,698,041,569.66
  5. Step 5: Solve for x
    x = 2,698,041,569.66/57,725.14
  6. Step 6: Final answer
    x = 46,739.46

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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.