Home / 38,187.22-52,697.72-21,419.86

Finding the Fourth Proportional to 38,187.22, 52,697.72 and 21,419.86

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Solution

The fourth proportional to 38,187.22, 52,697.72 and 21,419.86 is: 29,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.22 : 52,697.72 = 21,419.86 : x
  2. Step 2: Convert to fraction form
    38,187.22/52,697.72 = 21,419.86/x
  3. Step 3: Cross multiply
    38,187.22x = 52,697.72 × 21,419.86
  4. Step 4: Simplify right side
    38,187.22x = 1,128,777,784.72
  5. Step 5: Solve for x
    x = 1,128,777,784.72/38,187.22
  6. Step 6: Final answer
    x = 29,559.05

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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.