Home / 43,284.93-64,922.54-12,122.61

Finding the Fourth Proportional to 43,284.93, 64,922.54 and 12,122.61

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Solution

The fourth proportional to 43,284.93, 64,922.54 and 12,122.61 is: 18,182.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,284.93 : 64,922.54 = 12,122.61 : x
  2. Step 2: Convert to fraction form
    43,284.93/64,922.54 = 12,122.61/x
  3. Step 3: Cross multiply
    43,284.93x = 64,922.54 × 12,122.61
  4. Step 4: Simplify right side
    43,284.93x = 787,030,572.02
  5. Step 5: Solve for x
    x = 787,030,572.02/43,284.93
  6. Step 6: Final answer
    x = 18,182.55

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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.