Home / 39,811.40-54,646.54-35,235.44

Finding the Fourth Proportional to 39,811.40, 54,646.54 and 35,235.44

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Solution

The fourth proportional to 39,811.40, 54,646.54 and 35,235.44 is: 48,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.40 : 54,646.54 = 35,235.44 : x
  2. Step 2: Convert to fraction form
    39,811.40/54,646.54 = 35,235.44/x
  3. Step 3: Cross multiply
    39,811.40x = 54,646.54 × 35,235.44
  4. Step 4: Simplify right side
    39,811.40x = 1,925,494,881.38
  5. Step 5: Solve for x
    x = 1,925,494,881.38/39,811.40
  6. Step 6: Final answer
    x = 48,365.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.