Home / 51,410.75-70,946.34-28,749.48

Finding the Fourth Proportional to 51,410.75, 70,946.34 and 28,749.48

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Solution

The fourth proportional to 51,410.75, 70,946.34 and 28,749.48 is: 39,674.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,410.75 : 70,946.34 = 28,749.48 : x
  2. Step 2: Convert to fraction form
    51,410.75/70,946.34 = 28,749.48/x
  3. Step 3: Cross multiply
    51,410.75x = 70,946.34 × 28,749.48
  4. Step 4: Simplify right side
    51,410.75x = 2,039,670,382.90
  5. Step 5: Solve for x
    x = 2,039,670,382.90/51,410.75
  6. Step 6: Final answer
    x = 39,674.01

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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.