Home / 51,448.68-70,994.16-28,786.32

Finding the Fourth Proportional to 51,448.68, 70,994.16 and 28,786.32

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Solution

The fourth proportional to 51,448.68, 70,994.16 and 28,786.32 is: 39,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,448.68 : 70,994.16 = 28,786.32 : x
  2. Step 2: Convert to fraction form
    51,448.68/70,994.16 = 28,786.32/x
  3. Step 3: Cross multiply
    51,448.68x = 70,994.16 × 28,786.32
  4. Step 4: Simplify right side
    51,448.68x = 2,043,660,607.89
  5. Step 5: Solve for x
    x = 2,043,660,607.89/51,448.68
  6. Step 6: Final answer
    x = 39,722.31

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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.