Home / 45,878.40-63,296.64-29,121.12

Finding the Fourth Proportional to 45,878.40, 63,296.64 and 29,121.12

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Solution

The fourth proportional to 45,878.40, 63,296.64 and 29,121.12 is: 40,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,878.40 : 63,296.64 = 29,121.12 : x
  2. Step 2: Convert to fraction form
    45,878.40/63,296.64 = 29,121.12/x
  3. Step 3: Cross multiply
    45,878.40x = 63,296.64 × 29,121.12
  4. Step 4: Simplify right side
    45,878.40x = 1,843,269,049.04
  5. Step 5: Solve for x
    x = 1,843,269,049.04/45,878.40
  6. Step 6: Final answer
    x = 40,177.27

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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.