Home / 39,935.16-55,117.26-23,177.88

Finding the Fourth Proportional to 39,935.16, 55,117.26 and 23,177.88

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Solution

The fourth proportional to 39,935.16, 55,117.26 and 23,177.88 is: 31,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935.16 : 55,117.26 = 23,177.88 : x
  2. Step 2: Convert to fraction form
    39,935.16/55,117.26 = 23,177.88/x
  3. Step 3: Cross multiply
    39,935.16x = 55,117.26 × 23,177.88
  4. Step 4: Simplify right side
    39,935.16x = 1,277,501,238.21
  5. Step 5: Solve for x
    x = 1,277,501,238.21/39,935.16
  6. Step 6: Final answer
    x = 31,989.39

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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.