Home / 45,093.57-67,603.90-18,817.98

Finding the Fourth Proportional to 45,093.57, 67,603.90 and 18,817.98

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Solution

The fourth proportional to 45,093.57, 67,603.90 and 18,817.98 is: 28,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,093.57 : 67,603.90 = 18,817.98 : x
  2. Step 2: Convert to fraction form
    45,093.57/67,603.90 = 18,817.98/x
  3. Step 3: Cross multiply
    45,093.57x = 67,603.90 × 18,817.98
  4. Step 4: Simplify right side
    45,093.57x = 1,272,168,838.12
  5. Step 5: Solve for x
    x = 1,272,168,838.12/45,093.57
  6. Step 6: Final answer
    x = 28,211.76

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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.