Home / 45,205.98-67,784.24-18,890.84

Finding the Fourth Proportional to 45,205.98, 67,784.24 and 18,890.84

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Solution

The fourth proportional to 45,205.98, 67,784.24 and 18,890.84 is: 28,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,205.98 : 67,784.24 = 18,890.84 : x
  2. Step 2: Convert to fraction form
    45,205.98/67,784.24 = 18,890.84/x
  3. Step 3: Cross multiply
    45,205.98x = 67,784.24 × 18,890.84
  4. Step 4: Simplify right side
    45,205.98x = 1,280,501,232.36
  5. Step 5: Solve for x
    x = 1,280,501,232.36/45,205.98
  6. Step 6: Final answer
    x = 28,325.93

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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.