Home / 40,221.03-55,503.13-22,071.34

Finding the Fourth Proportional to 40,221.03, 55,503.13 and 22,071.34

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Solution

The fourth proportional to 40,221.03, 55,503.13 and 22,071.34 is: 30,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.03 : 55,503.13 = 22,071.34 : x
  2. Step 2: Convert to fraction form
    40,221.03/55,503.13 = 22,071.34/x
  3. Step 3: Cross multiply
    40,221.03x = 55,503.13 × 22,071.34
  4. Step 4: Simplify right side
    40,221.03x = 1,225,028,453.29
  5. Step 5: Solve for x
    x = 1,225,028,453.29/40,221.03
  6. Step 6: Final answer
    x = 30,457.41

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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.