Home / 47,638.81-65,742.76-26,940.65

Finding the Fourth Proportional to 47,638.81, 65,742.76 and 26,940.65

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Solution

The fourth proportional to 47,638.81, 65,742.76 and 26,940.65 is: 37,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.81 : 65,742.76 = 26,940.65 : x
  2. Step 2: Convert to fraction form
    47,638.81/65,742.76 = 26,940.65/x
  3. Step 3: Cross multiply
    47,638.81x = 65,742.76 × 26,940.65
  4. Step 4: Simplify right side
    47,638.81x = 1,771,152,837.73
  5. Step 5: Solve for x
    x = 1,771,152,837.73/47,638.81
  6. Step 6: Final answer
    x = 37,178.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.