Home / 47,313.75-65,293.92-30,575.91

Finding the Fourth Proportional to 47,313.75, 65,293.92 and 30,575.91

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Solution

The fourth proportional to 47,313.75, 65,293.92 and 30,575.91 is: 42,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,313.75 : 65,293.92 = 30,575.91 : x
  2. Step 2: Convert to fraction form
    47,313.75/65,293.92 = 30,575.91/x
  3. Step 3: Cross multiply
    47,313.75x = 65,293.92 × 30,575.91
  4. Step 4: Simplify right side
    47,313.75x = 1,996,421,021.47
  5. Step 5: Solve for x
    x = 1,996,421,021.47/47,313.75
  6. Step 6: Final answer
    x = 42,195.37

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1.5x scale

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.