Home / 37,887.56-56,791.70-12,918.86

Finding the Fourth Proportional to 37,887.56, 56,791.70 and 12,918.86

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Solution

The fourth proportional to 37,887.56, 56,791.70 and 12,918.86 is: 19,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,887.56 : 56,791.70 = 12,918.86 : x
  2. Step 2: Convert to fraction form
    37,887.56/56,791.70 = 12,918.86/x
  3. Step 3: Cross multiply
    37,887.56x = 56,791.70 × 12,918.86
  4. Step 4: Simplify right side
    37,887.56x = 733,684,021.46
  5. Step 5: Solve for x
    x = 733,684,021.46/37,887.56
  6. Step 6: Final answer
    x = 19,364.77

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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.