Home / 47,055.08-70,591.65-18,977.97

Finding the Fourth Proportional to 47,055.08, 70,591.65 and 18,977.97

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Solution

The fourth proportional to 47,055.08, 70,591.65 and 18,977.97 is: 28,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,055.08 : 70,591.65 = 18,977.97 : x
  2. Step 2: Convert to fraction form
    47,055.08/70,591.65 = 18,977.97/x
  3. Step 3: Cross multiply
    47,055.08x = 70,591.65 × 18,977.97
  4. Step 4: Simplify right side
    47,055.08x = 1,339,686,215.95
  5. Step 5: Solve for x
    x = 1,339,686,215.95/47,055.08
  6. Step 6: Final answer
    x = 28,470.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.