Home / 39,921.18-55,093.98-23,154.18

Finding the Fourth Proportional to 39,921.18, 55,093.98 and 23,154.18

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Solution

The fourth proportional to 39,921.18, 55,093.98 and 23,154.18 is: 31,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,921.18 : 55,093.98 = 23,154.18 : x
  2. Step 2: Convert to fraction form
    39,921.18/55,093.98 = 23,154.18/x
  3. Step 3: Cross multiply
    39,921.18x = 55,093.98 × 23,154.18
  4. Step 4: Simplify right side
    39,921.18x = 1,275,655,929.84
  5. Step 5: Solve for x
    x = 1,275,655,929.84/39,921.18
  6. Step 6: Final answer
    x = 31,954.36

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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.