Home / 40,208.65-55,479.63-23,212.60

Finding the Fourth Proportional to 40,208.65, 55,479.63 and 23,212.60

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Solution

The fourth proportional to 40,208.65, 55,479.63 and 23,212.60 is: 32,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,208.65 : 55,479.63 = 23,212.60 : x
  2. Step 2: Convert to fraction form
    40,208.65/55,479.63 = 23,212.60/x
  3. Step 3: Cross multiply
    40,208.65x = 55,479.63 × 23,212.60
  4. Step 4: Simplify right side
    40,208.65x = 1,287,826,459.34
  5. Step 5: Solve for x
    x = 1,287,826,459.34/40,208.65
  6. Step 6: Final answer
    x = 32,028.59

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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.