Home / 39,558.83-54,591.21-21,653.94

Finding the Fourth Proportional to 39,558.83, 54,591.21 and 21,653.94

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Solution

The fourth proportional to 39,558.83, 54,591.21 and 21,653.94 is: 29,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,558.83 : 54,591.21 = 21,653.94 : x
  2. Step 2: Convert to fraction form
    39,558.83/54,591.21 = 21,653.94/x
  3. Step 3: Cross multiply
    39,558.83x = 54,591.21 × 21,653.94
  4. Step 4: Simplify right side
    39,558.83x = 1,182,114,677.60
  5. Step 5: Solve for x
    x = 1,182,114,677.60/39,558.83
  6. Step 6: Final answer
    x = 29,882.45

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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.