Home / 40,212.56-55,495.88-23,219.96

Finding the Fourth Proportional to 40,212.56, 55,495.88 and 23,219.96

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Solution

The fourth proportional to 40,212.56, 55,495.88 and 23,219.96 is: 32,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.56 : 55,495.88 = 23,219.96 : x
  2. Step 2: Convert to fraction form
    40,212.56/55,495.88 = 23,219.96/x
  3. Step 3: Cross multiply
    40,212.56x = 55,495.88 × 23,219.96
  4. Step 4: Simplify right side
    40,212.56x = 1,288,612,113.76
  5. Step 5: Solve for x
    x = 1,288,612,113.76/40,212.56
  6. Step 6: Final answer
    x = 32,045.02

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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.