Home / 39,056.73-53,883.43-28,872.21

Finding the Fourth Proportional to 39,056.73, 53,883.43 and 28,872.21

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Solution

The fourth proportional to 39,056.73, 53,883.43 and 28,872.21 is: 39,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,056.73 : 53,883.43 = 28,872.21 : x
  2. Step 2: Convert to fraction form
    39,056.73/53,883.43 = 28,872.21/x
  3. Step 3: Cross multiply
    39,056.73x = 53,883.43 × 28,872.21
  4. Step 4: Simplify right side
    39,056.73x = 1,555,733,913.51
  5. Step 5: Solve for x
    x = 1,555,733,913.51/39,056.73
  6. Step 6: Final answer
    x = 39,832.67

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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.