Home / 56,276.30-84,418.92-18,836.58

Finding the Fourth Proportional to 56,276.30, 84,418.92 and 18,836.58

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Solution

The fourth proportional to 56,276.30, 84,418.92 and 18,836.58 is: 28,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,276.30 : 84,418.92 = 18,836.58 : x
  2. Step 2: Convert to fraction form
    56,276.30/84,418.92 = 18,836.58/x
  3. Step 3: Cross multiply
    56,276.30x = 84,418.92 × 18,836.58
  4. Step 4: Simplify right side
    56,276.30x = 1,590,163,740.09
  5. Step 5: Solve for x
    x = 1,590,163,740.09/56,276.30
  6. Step 6: Final answer
    x = 28,256.37

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1.5x scale

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.