Home / 47,053.58-70,589.40-18,976.47

Finding the Fourth Proportional to 47,053.58, 70,589.40 and 18,976.47

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Solution

The fourth proportional to 47,053.58, 70,589.40 and 18,976.47 is: 28,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,053.58 : 70,589.40 = 18,976.47 : x
  2. Step 2: Convert to fraction form
    47,053.58/70,589.40 = 18,976.47/x
  3. Step 3: Cross multiply
    47,053.58x = 70,589.40 × 18,976.47
  4. Step 4: Simplify right side
    47,053.58x = 1,339,537,631.42
  5. Step 5: Solve for x
    x = 1,339,537,631.42/47,053.58
  6. Step 6: Final answer
    x = 28,468.35

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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.