Home / 34,749.96-47,777.43-30,936.84

Finding the Fourth Proportional to 34,749.96, 47,777.43 and 30,936.84

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Solution

The fourth proportional to 34,749.96, 47,777.43 and 30,936.84 is: 42,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,749.96 : 47,777.43 = 30,936.84 : x
  2. Step 2: Convert to fraction form
    34,749.96/47,777.43 = 30,936.84/x
  3. Step 3: Cross multiply
    34,749.96x = 47,777.43 × 30,936.84
  4. Step 4: Simplify right side
    34,749.96x = 1,478,082,707.52
  5. Step 5: Solve for x
    x = 1,478,082,707.52/34,749.96
  6. Step 6: Final answer
    x = 42,534.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.