Home / 39,491.96-54,500.37-21,588.18

Finding the Fourth Proportional to 39,491.96, 54,500.37 and 21,588.18

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Solution

The fourth proportional to 39,491.96, 54,500.37 and 21,588.18 is: 29,792.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,491.96 : 54,500.37 = 21,588.18 : x
  2. Step 2: Convert to fraction form
    39,491.96/54,500.37 = 21,588.18/x
  3. Step 3: Cross multiply
    39,491.96x = 54,500.37 × 21,588.18
  4. Step 4: Simplify right side
    39,491.96x = 1,176,563,797.63
  5. Step 5: Solve for x
    x = 1,176,563,797.63/39,491.96
  6. Step 6: Final answer
    x = 29,792.49

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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.