Home / 35,811.55-53,683.94-12,102.52

Finding the Fourth Proportional to 35,811.55, 53,683.94 and 12,102.52

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Solution

The fourth proportional to 35,811.55, 53,683.94 and 12,102.52 is: 18,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,811.55 : 53,683.94 = 12,102.52 : x
  2. Step 2: Convert to fraction form
    35,811.55/53,683.94 = 12,102.52/x
  3. Step 3: Cross multiply
    35,811.55x = 53,683.94 × 12,102.52
  4. Step 4: Simplify right side
    35,811.55x = 649,710,827.68
  5. Step 5: Solve for x
    x = 649,710,827.68/35,811.55
  6. Step 6: Final answer
    x = 18,142.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.