Home / 40,157.76-55,419.84-22,254.72

Finding the Fourth Proportional to 40,157.76, 55,419.84 and 22,254.72

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Solution

The fourth proportional to 40,157.76, 55,419.84 and 22,254.72 is: 30,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.76 : 55,419.84 = 22,254.72 : x
  2. Step 2: Convert to fraction form
    40,157.76/55,419.84 = 22,254.72/x
  3. Step 3: Cross multiply
    40,157.76x = 55,419.84 × 22,254.72
  4. Step 4: Simplify right side
    40,157.76x = 1,233,353,021.64
  5. Step 5: Solve for x
    x = 1,233,353,021.64/40,157.76
  6. Step 6: Final answer
    x = 30,712.69

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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.