Home / 38,760.12-53,489.30-22,638.69

Finding the Fourth Proportional to 38,760.12, 53,489.30 and 22,638.69

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Solution

The fourth proportional to 38,760.12, 53,489.30 and 22,638.69 is: 31,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,760.12 : 53,489.30 = 22,638.69 : x
  2. Step 2: Convert to fraction form
    38,760.12/53,489.30 = 22,638.69/x
  3. Step 3: Cross multiply
    38,760.12x = 53,489.30 × 22,638.69
  4. Step 4: Simplify right side
    38,760.12x = 1,210,927,567.82
  5. Step 5: Solve for x
    x = 1,210,927,567.82/38,760.12
  6. Step 6: Final answer
    x = 31,241.58

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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.