Home / 40,133.89-55,385.36-23,137.84

Finding the Fourth Proportional to 40,133.89, 55,385.36 and 23,137.84

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Solution

The fourth proportional to 40,133.89, 55,385.36 and 23,137.84 is: 31,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,133.89 : 55,385.36 = 23,137.84 : x
  2. Step 2: Convert to fraction form
    40,133.89/55,385.36 = 23,137.84/x
  3. Step 3: Cross multiply
    40,133.89x = 55,385.36 × 23,137.84
  4. Step 4: Simplify right side
    40,133.89x = 1,281,497,482.33
  5. Step 5: Solve for x
    x = 1,281,497,482.33/40,133.89
  6. Step 6: Final answer
    x = 31,930.56

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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.