Home / 37,518.20-56,280.28-12,558.38

Finding the Fourth Proportional to 37,518.20, 56,280.28 and 12,558.38

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Solution

The fourth proportional to 37,518.20, 56,280.28 and 12,558.38 is: 18,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,518.20 : 56,280.28 = 12,558.38 : x
  2. Step 2: Convert to fraction form
    37,518.20/56,280.28 = 12,558.38/x
  3. Step 3: Cross multiply
    37,518.20x = 56,280.28 × 12,558.38
  4. Step 4: Simplify right side
    37,518.20x = 706,789,142.75
  5. Step 5: Solve for x
    x = 706,789,142.75/37,518.20
  6. Step 6: Final answer
    x = 18,838.57

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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.