Home / 40,825.12-56,341.92-22,921.30

Finding the Fourth Proportional to 40,825.12, 56,341.92 and 22,921.30

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Solution

The fourth proportional to 40,825.12, 56,341.92 and 22,921.30 is: 31,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,825.12 : 56,341.92 = 22,921.30 : x
  2. Step 2: Convert to fraction form
    40,825.12/56,341.92 = 22,921.30/x
  3. Step 3: Cross multiply
    40,825.12x = 56,341.92 × 22,921.30
  4. Step 4: Simplify right side
    40,825.12x = 1,291,430,050.90
  5. Step 5: Solve for x
    x = 1,291,430,050.90/40,825.12
  6. Step 6: Final answer
    x = 31,633.22

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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.