Home / 54,815.08-75,644.58-30,941.48

Finding the Fourth Proportional to 54,815.08, 75,644.58 and 30,941.48

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Solution

The fourth proportional to 54,815.08, 75,644.58 and 30,941.48 is: 42,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,815.08 : 75,644.58 = 30,941.48 : x
  2. Step 2: Convert to fraction form
    54,815.08/75,644.58 = 30,941.48/x
  3. Step 3: Cross multiply
    54,815.08x = 75,644.58 × 30,941.48
  4. Step 4: Simplify right side
    54,815.08x = 2,340,555,259.18
  5. Step 5: Solve for x
    x = 2,340,555,259.18/54,815.08
  6. Step 6: Final answer
    x = 42,699.11

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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.