Home / 54,274.14-74,899.67-30,400.20

Finding the Fourth Proportional to 54,274.14, 74,899.67 and 30,400.20

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Solution

The fourth proportional to 54,274.14, 74,899.67 and 30,400.20 is: 41,953.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,274.14 : 74,899.67 = 30,400.20 : x
  2. Step 2: Convert to fraction form
    54,274.14/74,899.67 = 30,400.20/x
  3. Step 3: Cross multiply
    54,274.14x = 74,899.67 × 30,400.20
  4. Step 4: Simplify right side
    54,274.14x = 2,276,964,795.93
  5. Step 5: Solve for x
    x = 2,276,964,795.93/54,274.14
  6. Step 6: Final answer
    x = 41,953.03

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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.