Home / 39,673.64-54,748.50-21,523.56

Finding the Fourth Proportional to 39,673.64, 54,748.50 and 21,523.56

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Solution

The fourth proportional to 39,673.64, 54,748.50 and 21,523.56 is: 29,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,673.64 : 54,748.50 = 21,523.56 : x
  2. Step 2: Convert to fraction form
    39,673.64/54,748.50 = 21,523.56/x
  3. Step 3: Cross multiply
    39,673.64x = 54,748.50 × 21,523.56
  4. Step 4: Simplify right side
    39,673.64x = 1,178,382,624.66
  5. Step 5: Solve for x
    x = 1,178,382,624.66/39,673.64
  6. Step 6: Final answer
    x = 29,701.90

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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.