Home / 38,225.85-52,741.31-21,458.49

Finding the Fourth Proportional to 38,225.85, 52,741.31 and 21,458.49

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Solution

The fourth proportional to 38,225.85, 52,741.31 and 21,458.49 is: 29,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,225.85 : 52,741.31 = 21,458.49 : x
  2. Step 2: Convert to fraction form
    38,225.85/52,741.31 = 21,458.49/x
  3. Step 3: Cross multiply
    38,225.85x = 52,741.31 × 21,458.49
  4. Step 4: Simplify right side
    38,225.85x = 1,131,748,765.93
  5. Step 5: Solve for x
    x = 1,131,748,765.93/38,225.85
  6. Step 6: Final answer
    x = 29,606.90

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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.