Home / 40,116.63-55,360.80-22,210.56

Finding the Fourth Proportional to 40,116.63, 55,360.80 and 22,210.56

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Solution

The fourth proportional to 40,116.63, 55,360.80 and 22,210.56 is: 30,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,116.63 : 55,360.80 = 22,210.56 : x
  2. Step 2: Convert to fraction form
    40,116.63/55,360.80 = 22,210.56/x
  3. Step 3: Cross multiply
    40,116.63x = 55,360.80 × 22,210.56
  4. Step 4: Simplify right side
    40,116.63x = 1,229,594,370.05
  5. Step 5: Solve for x
    x = 1,229,594,370.05/40,116.63
  6. Step 6: Final answer
    x = 30,650.49

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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.