Home / 38,333.67-52,900.45-21,337.55

Finding the Fourth Proportional to 38,333.67, 52,900.45 and 21,337.55

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Solution

The fourth proportional to 38,333.67, 52,900.45 and 21,337.55 is: 29,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,333.67 : 52,900.45 = 21,337.55 : x
  2. Step 2: Convert to fraction form
    38,333.67/52,900.45 = 21,337.55/x
  3. Step 3: Cross multiply
    38,333.67x = 52,900.45 × 21,337.55
  4. Step 4: Simplify right side
    38,333.67x = 1,128,765,996.90
  5. Step 5: Solve for x
    x = 1,128,765,996.90/38,333.67
  6. Step 6: Final answer
    x = 29,445.81

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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.