Home / 40,426.77-55,788.84-22,521.60

Finding the Fourth Proportional to 40,426.77, 55,788.84 and 22,521.60

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Solution

The fourth proportional to 40,426.77, 55,788.84 and 22,521.60 is: 31,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426.77 : 55,788.84 = 22,521.60 : x
  2. Step 2: Convert to fraction form
    40,426.77/55,788.84 = 22,521.60/x
  3. Step 3: Cross multiply
    40,426.77x = 55,788.84 × 22,521.60
  4. Step 4: Simplify right side
    40,426.77x = 1,256,453,938.94
  5. Step 5: Solve for x
    x = 1,256,453,938.94/40,426.77
  6. Step 6: Final answer
    x = 31,079.75

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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.