Home / 38,871.74-53,649.46-21,883.62

Finding the Fourth Proportional to 38,871.74, 53,649.46 and 21,883.62

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Solution

The fourth proportional to 38,871.74, 53,649.46 and 21,883.62 is: 30,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871.74 : 53,649.46 = 21,883.62 : x
  2. Step 2: Convert to fraction form
    38,871.74/53,649.46 = 21,883.62/x
  3. Step 3: Cross multiply
    38,871.74x = 53,649.46 × 21,883.62
  4. Step 4: Simplify right side
    38,871.74x = 1,174,044,395.85
  5. Step 5: Solve for x
    x = 1,174,044,395.85/38,871.74
  6. Step 6: Final answer
    x = 30,203.03

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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.