Home / 55,671.21-83,518.47-18,228.42

Finding the Fourth Proportional to 55,671.21, 83,518.47 and 18,228.42

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Solution

The fourth proportional to 55,671.21, 83,518.47 and 18,228.42 is: 27,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,671.21 : 83,518.47 = 18,228.42 : x
  2. Step 2: Convert to fraction form
    55,671.21/83,518.47 = 18,228.42/x
  3. Step 3: Cross multiply
    55,671.21x = 83,518.47 × 18,228.42
  4. Step 4: Simplify right side
    55,671.21x = 1,522,409,748.92
  5. Step 5: Solve for x
    x = 1,522,409,748.92/55,671.21
  6. Step 6: Final answer
    x = 27,346.45

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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.