Home / 40,789.47-56,290.34-22,885.77

Finding the Fourth Proportional to 40,789.47, 56,290.34 and 22,885.77

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Solution

The fourth proportional to 40,789.47, 56,290.34 and 22,885.77 is: 31,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,789.47 : 56,290.34 = 22,885.77 : x
  2. Step 2: Convert to fraction form
    40,789.47/56,290.34 = 22,885.77/x
  3. Step 3: Cross multiply
    40,789.47x = 56,290.34 × 22,885.77
  4. Step 4: Simplify right side
    40,789.47x = 1,288,247,660.03
  5. Step 5: Solve for x
    x = 1,288,247,660.03/40,789.47
  6. Step 6: Final answer
    x = 31,582.85

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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.