Home / 40,647.88-56,095.08-22,742.74

Finding the Fourth Proportional to 40,647.88, 56,095.08 and 22,742.74

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Solution

The fourth proportional to 40,647.88, 56,095.08 and 22,742.74 is: 31,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,647.88 : 56,095.08 = 22,742.74 : x
  2. Step 2: Convert to fraction form
    40,647.88/56,095.08 = 22,742.74/x
  3. Step 3: Cross multiply
    40,647.88x = 56,095.08 × 22,742.74
  4. Step 4: Simplify right side
    40,647.88x = 1,275,755,819.72
  5. Step 5: Solve for x
    x = 1,275,755,819.72/40,647.88
  6. Step 6: Final answer
    x = 31,385.54

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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.