Home / 51,512.08-71,088.42-30,293.32

Finding the Fourth Proportional to 51,512.08, 71,088.42 and 30,293.32

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Solution

The fourth proportional to 51,512.08, 71,088.42 and 30,293.32 is: 41,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,512.08 : 71,088.42 = 30,293.32 : x
  2. Step 2: Convert to fraction form
    51,512.08/71,088.42 = 30,293.32/x
  3. Step 3: Cross multiply
    51,512.08x = 71,088.42 × 30,293.32
  4. Step 4: Simplify right side
    51,512.08x = 2,153,504,255.35
  5. Step 5: Solve for x
    x = 2,153,504,255.35/51,512.08
  6. Step 6: Final answer
    x = 41,805.81

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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.