Home / 45,230.40-67,845.60-18,926.40

Finding the Fourth Proportional to 45,230.40, 67,845.60 and 18,926.40

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Solution

The fourth proportional to 45,230.40, 67,845.60 and 18,926.40 is: 28,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,230.40 : 67,845.60 = 18,926.40 : x
  2. Step 2: Convert to fraction form
    45,230.40/67,845.60 = 18,926.40/x
  3. Step 3: Cross multiply
    45,230.40x = 67,845.60 × 18,926.40
  4. Step 4: Simplify right side
    45,230.40x = 1,284,072,963.84
  5. Step 5: Solve for x
    x = 1,284,072,963.84/45,230.40
  6. Step 6: Final answer
    x = 28,389.60

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1.5x scale

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.