Home / 38,996.31-53,814.75-22,000.55

Finding the Fourth Proportional to 38,996.31, 53,814.75 and 22,000.55

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Solution

The fourth proportional to 38,996.31, 53,814.75 and 22,000.55 is: 30,360.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,996.31 : 53,814.75 = 22,000.55 : x
  2. Step 2: Convert to fraction form
    38,996.31/53,814.75 = 22,000.55/x
  3. Step 3: Cross multiply
    38,996.31x = 53,814.75 × 22,000.55
  4. Step 4: Simplify right side
    38,996.31x = 1,183,953,829.04
  5. Step 5: Solve for x
    x = 1,183,953,829.04/38,996.31
  6. Step 6: Final answer
    x = 30,360.66

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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.