Home / 54,458.12-75,148.51-30,584.28

Finding the Fourth Proportional to 54,458.12, 75,148.51 and 30,584.28

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Solution

The fourth proportional to 54,458.12, 75,148.51 and 30,584.28 is: 42,204.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,458.12 : 75,148.51 = 30,584.28 : x
  2. Step 2: Convert to fraction form
    54,458.12/75,148.51 = 30,584.28/x
  3. Step 3: Cross multiply
    54,458.12x = 75,148.51 × 30,584.28
  4. Step 4: Simplify right side
    54,458.12x = 2,298,363,334.11
  5. Step 5: Solve for x
    x = 2,298,363,334.11/54,458.12
  6. Step 6: Final answer
    x = 42,204.23

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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.