Home / 54,634.74-75,394.77-30,435.60

Finding the Fourth Proportional to 54,634.74, 75,394.77 and 30,435.60

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Solution

The fourth proportional to 54,634.74, 75,394.77 and 30,435.60 is: 42,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,634.74 : 75,394.77 = 30,435.60 : x
  2. Step 2: Convert to fraction form
    54,634.74/75,394.77 = 30,435.60/x
  3. Step 3: Cross multiply
    54,634.74x = 75,394.77 × 30,435.60
  4. Step 4: Simplify right side
    54,634.74x = 2,294,685,061.81
  5. Step 5: Solve for x
    x = 2,294,685,061.81/54,634.74
  6. Step 6: Final answer
    x = 42,000.48

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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.