Home / 53,979.31-74,491.57-30,107.52

Finding the Fourth Proportional to 53,979.31, 74,491.57 and 30,107.52

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Solution

The fourth proportional to 53,979.31, 74,491.57 and 30,107.52 is: 41,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,979.31 : 74,491.57 = 30,107.52 : x
  2. Step 2: Convert to fraction form
    53,979.31/74,491.57 = 30,107.52/x
  3. Step 3: Cross multiply
    53,979.31x = 74,491.57 × 30,107.52
  4. Step 4: Simplify right side
    53,979.31x = 2,242,756,765.43
  5. Step 5: Solve for x
    x = 2,242,756,765.43/53,979.31
  6. Step 6: Final answer
    x = 41,548.45

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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.