Home / 40,116.70-55,363.08-22,213.68

Finding the Fourth Proportional to 40,116.70, 55,363.08 and 22,213.68

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Solution

The fourth proportional to 40,116.70, 55,363.08 and 22,213.68 is: 30,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,116.70 : 55,363.08 = 22,213.68 : x
  2. Step 2: Convert to fraction form
    40,116.70/55,363.08 = 22,213.68/x
  3. Step 3: Cross multiply
    40,116.70x = 55,363.08 × 22,213.68
  4. Step 4: Simplify right side
    40,116.70x = 1,229,817,742.93
  5. Step 5: Solve for x
    x = 1,229,817,742.93/40,116.70
  6. Step 6: Final answer
    x = 30,656.00

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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.