Home / 53,940.36-74,434.61-30,066.21

Finding the Fourth Proportional to 53,940.36, 74,434.61 and 30,066.21

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Solution

The fourth proportional to 53,940.36, 74,434.61 and 30,066.21 is: 41,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.36 : 74,434.61 = 30,066.21 : x
  2. Step 2: Convert to fraction form
    53,940.36/74,434.61 = 30,066.21/x
  3. Step 3: Cross multiply
    53,940.36x = 74,434.61 × 30,066.21
  4. Step 4: Simplify right side
    53,940.36x = 2,237,966,465.20
  5. Step 5: Solve for x
    x = 2,237,966,465.20/53,940.36
  6. Step 6: Final answer
    x = 41,489.65

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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.