Home / 56,436.08-84,595.46-18,983.43

Finding the Fourth Proportional to 56,436.08, 84,595.46 and 18,983.43

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Solution

The fourth proportional to 56,436.08, 84,595.46 and 18,983.43 is: 28,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,436.08 : 84,595.46 = 18,983.43 : x
  2. Step 2: Convert to fraction form
    56,436.08/84,595.46 = 18,983.43/x
  3. Step 3: Cross multiply
    56,436.08x = 84,595.46 × 18,983.43
  4. Step 4: Simplify right side
    56,436.08x = 1,605,911,898.31
  5. Step 5: Solve for x
    x = 1,605,911,898.31/56,436.08
  6. Step 6: Final answer
    x = 28,455.41

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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.