Home / 54,084.09-74,628.63-30,207.72

Finding the Fourth Proportional to 54,084.09, 74,628.63 and 30,207.72

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Solution

The fourth proportional to 54,084.09, 74,628.63 and 30,207.72 is: 41,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,084.09 : 74,628.63 = 30,207.72 : x
  2. Step 2: Convert to fraction form
    54,084.09/74,628.63 = 30,207.72/x
  3. Step 3: Cross multiply
    54,084.09x = 74,628.63 × 30,207.72
  4. Step 4: Simplify right side
    54,084.09x = 2,254,360,759.02
  5. Step 5: Solve for x
    x = 2,254,360,759.02/54,084.09
  6. Step 6: Final answer
    x = 41,682.51

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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.