Home / 54,345.08-74,995.26-30,471.68

Finding the Fourth Proportional to 54,345.08, 74,995.26 and 30,471.68

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Solution

The fourth proportional to 54,345.08, 74,995.26 and 30,471.68 is: 42,050.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.08 : 74,995.26 = 30,471.68 : x
  2. Step 2: Convert to fraction form
    54,345.08/74,995.26 = 30,471.68/x
  3. Step 3: Cross multiply
    54,345.08x = 74,995.26 × 30,471.68
  4. Step 4: Simplify right side
    54,345.08x = 2,285,231,564.24
  5. Step 5: Solve for x
    x = 2,285,231,564.24/54,345.08
  6. Step 6: Final answer
    x = 42,050.39

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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.