Home / 39,901-55,063.38-23,135.08

Finding the Fourth Proportional to 39,901, 55,063.38 and 23,135.08

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Solution

The fourth proportional to 39,901, 55,063.38 and 23,135.08 is: 31,926.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,901 : 55,063.38 = 23,135.08 : x
  2. Step 2: Convert to fraction form
    39,901/55,063.38 = 23,135.08/x
  3. Step 3: Cross multiply
    39,901x = 55,063.38 × 23,135.08
  4. Step 4: Simplify right side
    39,901x = 1,273,895,701.37
  5. Step 5: Solve for x
    x = 1,273,895,701.37/39,901
  6. Step 6: Final answer
    x = 31,926.41

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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.