Home / 57,255.51-85,883.82-21,707.27

Finding the Fourth Proportional to 57,255.51, 85,883.82 and 21,707.27

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Solution

The fourth proportional to 57,255.51, 85,883.82 and 21,707.27 is: 32,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,255.51 : 85,883.82 = 21,707.27 : x
  2. Step 2: Convert to fraction form
    57,255.51/85,883.82 = 21,707.27/x
  3. Step 3: Cross multiply
    57,255.51x = 85,883.82 × 21,707.27
  4. Step 4: Simplify right side
    57,255.51x = 1,864,303,269.37
  5. Step 5: Solve for x
    x = 1,864,303,269.37/57,255.51
  6. Step 6: Final answer
    x = 32,561.12

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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.