Home / 50,738.96-70,019.88-28,079.60

Finding the Fourth Proportional to 50,738.96, 70,019.88 and 28,079.60

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Solution

The fourth proportional to 50,738.96, 70,019.88 and 28,079.60 is: 38,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,738.96 : 70,019.88 = 28,079.60 : x
  2. Step 2: Convert to fraction form
    50,738.96/70,019.88 = 28,079.60/x
  3. Step 3: Cross multiply
    50,738.96x = 70,019.88 × 28,079.60
  4. Step 4: Simplify right side
    50,738.96x = 1,966,130,222.45
  5. Step 5: Solve for x
    x = 1,966,130,222.45/50,738.96
  6. Step 6: Final answer
    x = 38,749.91

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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.