Home / 39,623.42-59,472.25-20,917.34

Finding the Fourth Proportional to 39,623.42, 59,472.25 and 20,917.34

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Solution

The fourth proportional to 39,623.42, 59,472.25 and 20,917.34 is: 31,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,623.42 : 59,472.25 = 20,917.34 : x
  2. Step 2: Convert to fraction form
    39,623.42/59,472.25 = 20,917.34/x
  3. Step 3: Cross multiply
    39,623.42x = 59,472.25 × 20,917.34
  4. Step 4: Simplify right side
    39,623.42x = 1,244,001,273.82
  5. Step 5: Solve for x
    x = 1,244,001,273.82/39,623.42
  6. Step 6: Final answer
    x = 31,395.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.