Home / 40,208.40-55,479.29-23,212.35

Finding the Fourth Proportional to 40,208.40, 55,479.29 and 23,212.35

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Solution

The fourth proportional to 40,208.40, 55,479.29 and 23,212.35 is: 32,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,208.40 : 55,479.29 = 23,212.35 : x
  2. Step 2: Convert to fraction form
    40,208.40/55,479.29 = 23,212.35/x
  3. Step 3: Cross multiply
    40,208.40x = 55,479.29 × 23,212.35
  4. Step 4: Simplify right side
    40,208.40x = 1,287,804,581.17
  5. Step 5: Solve for x
    x = 1,287,804,581.17/40,208.40
  6. Step 6: Final answer
    x = 32,028.25

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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.