Home / 54,347.38-74,999.38-30,474.05

Finding the Fourth Proportional to 54,347.38, 74,999.38 and 30,474.05

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Solution

The fourth proportional to 54,347.38, 74,999.38 and 30,474.05 is: 42,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,347.38 : 74,999.38 = 30,474.05 : x
  2. Step 2: Convert to fraction form
    54,347.38/74,999.38 = 30,474.05/x
  3. Step 3: Cross multiply
    54,347.38x = 74,999.38 × 30,474.05
  4. Step 4: Simplify right side
    54,347.38x = 2,285,534,856.09
  5. Step 5: Solve for x
    x = 2,285,534,856.09/54,347.38
  6. Step 6: Final answer
    x = 42,054.19

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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.