Home / 40,110.22-55,353-21,962.67

Finding the Fourth Proportional to 40,110.22, 55,353 and 21,962.67

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Solution

The fourth proportional to 40,110.22, 55,353 and 21,962.67 is: 30,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,110.22 : 55,353 = 21,962.67 : x
  2. Step 2: Convert to fraction form
    40,110.22/55,353 = 21,962.67/x
  3. Step 3: Cross multiply
    40,110.22x = 55,353 × 21,962.67
  4. Step 4: Simplify right side
    40,110.22x = 1,215,699,672.51
  5. Step 5: Solve for x
    x = 1,215,699,672.51/40,110.22
  6. Step 6: Final answer
    x = 30,308.98

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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.