Home / 55,972.32-83,967.39-18,533.76

Finding the Fourth Proportional to 55,972.32, 83,967.39 and 18,533.76

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Solution

The fourth proportional to 55,972.32, 83,967.39 and 18,533.76 is: 27,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,972.32 : 83,967.39 = 18,533.76 : x
  2. Step 2: Convert to fraction form
    55,972.32/83,967.39 = 18,533.76/x
  3. Step 3: Cross multiply
    55,972.32x = 83,967.39 × 18,533.76
  4. Step 4: Simplify right side
    55,972.32x = 1,556,231,454.09
  5. Step 5: Solve for x
    x = 1,556,231,454.09/55,972.32
  6. Step 6: Final answer
    x = 27,803.59

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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.