Home / 38,181.27-52,700.18-21,419.67

Finding the Fourth Proportional to 38,181.27, 52,700.18 and 21,419.67

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Solution

The fourth proportional to 38,181.27, 52,700.18 and 21,419.67 is: 29,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.27 : 52,700.18 = 21,419.67 : x
  2. Step 2: Convert to fraction form
    38,181.27/52,700.18 = 21,419.67/x
  3. Step 3: Cross multiply
    38,181.27x = 52,700.18 × 21,419.67
  4. Step 4: Simplify right side
    38,181.27x = 1,128,820,464.54
  5. Step 5: Solve for x
    x = 1,128,820,464.54/38,181.27
  6. Step 6: Final answer
    x = 29,564.77

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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.