Home / 51,410.96-70,946.63-28,749.69

Finding the Fourth Proportional to 51,410.96, 70,946.63 and 28,749.69

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Solution

The fourth proportional to 51,410.96, 70,946.63 and 28,749.69 is: 39,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,410.96 : 70,946.63 = 28,749.69 : x
  2. Step 2: Convert to fraction form
    51,410.96/70,946.63 = 28,749.69/x
  3. Step 3: Cross multiply
    51,410.96x = 70,946.63 × 28,749.69
  4. Step 4: Simplify right side
    51,410.96x = 2,039,693,690.92
  5. Step 5: Solve for x
    x = 2,039,693,690.92/51,410.96
  6. Step 6: Final answer
    x = 39,674.30

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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.