Home / 37,218.56-51,313.92-30,479.36

Finding the Fourth Proportional to 37,218.56, 51,313.92 and 30,479.36

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Solution

The fourth proportional to 37,218.56, 51,313.92 and 30,479.36 is: 42,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,218.56 : 51,313.92 = 30,479.36 : x
  2. Step 2: Convert to fraction form
    37,218.56/51,313.92 = 30,479.36/x
  3. Step 3: Cross multiply
    37,218.56x = 51,313.92 × 30,479.36
  4. Step 4: Simplify right side
    37,218.56x = 1,564,015,440.69
  5. Step 5: Solve for x
    x = 1,564,015,440.69/37,218.56
  6. Step 6: Final answer
    x = 42,022.46

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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.