Home / 45,308.68-62,504.28-31,887.38

Finding the Fourth Proportional to 45,308.68, 62,504.28 and 31,887.38

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Solution

The fourth proportional to 45,308.68, 62,504.28 and 31,887.38 is: 43,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,308.68 : 62,504.28 = 31,887.38 : x
  2. Step 2: Convert to fraction form
    45,308.68/62,504.28 = 31,887.38/x
  3. Step 3: Cross multiply
    45,308.68x = 62,504.28 × 31,887.38
  4. Step 4: Simplify right side
    45,308.68x = 1,993,097,884.25
  5. Step 5: Solve for x
    x = 1,993,097,884.25/45,308.68
  6. Step 6: Final answer
    x = 43,989.32

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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.