Home / 54,612.29-75,364.94-30,739.09

Finding the Fourth Proportional to 54,612.29, 75,364.94 and 30,739.09

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Solution

The fourth proportional to 54,612.29, 75,364.94 and 30,739.09 is: 42,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,612.29 : 75,364.94 = 30,739.09 : x
  2. Step 2: Convert to fraction form
    54,612.29/75,364.94 = 30,739.09/x
  3. Step 3: Cross multiply
    54,612.29x = 75,364.94 × 30,739.09
  4. Step 4: Simplify right side
    54,612.29x = 2,316,649,142.98
  5. Step 5: Solve for x
    x = 2,316,649,142.98/54,612.29
  6. Step 6: Final answer
    x = 42,419.93

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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.