Home / 54,564.52-75,289.62-30,689.32

Finding the Fourth Proportional to 54,564.52, 75,289.62 and 30,689.32

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Solution

The fourth proportional to 54,564.52, 75,289.62 and 30,689.32 is: 42,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,564.52 : 75,289.62 = 30,689.32 : x
  2. Step 2: Convert to fraction form
    54,564.52/75,289.62 = 30,689.32/x
  3. Step 3: Cross multiply
    54,564.52x = 75,289.62 × 30,689.32
  4. Step 4: Simplify right side
    54,564.52x = 2,310,587,240.86
  5. Step 5: Solve for x
    x = 2,310,587,240.86/54,564.52
  6. Step 6: Final answer
    x = 42,345.96

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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.