Home / 47,769.99-65,860.60-30,743.79

Finding the Fourth Proportional to 47,769.99, 65,860.60 and 30,743.79

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Solution

The fourth proportional to 47,769.99, 65,860.60 and 30,743.79 is: 42,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,769.99 : 65,860.60 = 30,743.79 : x
  2. Step 2: Convert to fraction form
    47,769.99/65,860.60 = 30,743.79/x
  3. Step 3: Cross multiply
    47,769.99x = 65,860.60 × 30,743.79
  4. Step 4: Simplify right side
    47,769.99x = 2,024,804,455.67
  5. Step 5: Solve for x
    x = 2,024,804,455.67/47,769.99
  6. Step 6: Final answer
    x = 42,386.54

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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.