Home / 86,465.04-129,731.40-33,865.44

Finding the Fourth Proportional to 86,465.04, 129,731.40 and 33,865.44

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Solution

The fourth proportional to 86,465.04, 129,731.40 and 33,865.44 is: 50,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,465.04 : 129,731.40 = 33,865.44 : x
  2. Step 2: Convert to fraction form
    86,465.04/129,731.40 = 33,865.44/x
  3. Step 3: Cross multiply
    86,465.04x = 129,731.40 × 33,865.44
  4. Step 4: Simplify right side
    86,465.04x = 4,393,410,942.82
  5. Step 5: Solve for x
    x = 4,393,410,942.82/86,465.04
  6. Step 6: Final answer
    x = 50,811.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.