Home / 54,576.47-75,313.09-30,378.70

Finding the Fourth Proportional to 54,576.47, 75,313.09 and 30,378.70

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Solution

The fourth proportional to 54,576.47, 75,313.09 and 30,378.70 is: 41,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,576.47 : 75,313.09 = 30,378.70 : x
  2. Step 2: Convert to fraction form
    54,576.47/75,313.09 = 30,378.70/x
  3. Step 3: Cross multiply
    54,576.47x = 75,313.09 × 30,378.70
  4. Step 4: Simplify right side
    54,576.47x = 2,287,913,899.30
  5. Step 5: Solve for x
    x = 2,287,913,899.30/54,576.47
  6. Step 6: Final answer
    x = 41,921.25

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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.