Home / 45,911.88-63,331.56-28,889.28

Finding the Fourth Proportional to 45,911.88, 63,331.56 and 28,889.28

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Solution

The fourth proportional to 45,911.88, 63,331.56 and 28,889.28 is: 39,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,911.88 : 63,331.56 = 28,889.28 : x
  2. Step 2: Convert to fraction form
    45,911.88/63,331.56 = 28,889.28/x
  3. Step 3: Cross multiply
    45,911.88x = 63,331.56 × 28,889.28
  4. Step 4: Simplify right side
    45,911.88x = 1,829,603,169.68
  5. Step 5: Solve for x
    x = 1,829,603,169.68/45,911.88
  6. Step 6: Final answer
    x = 39,850.32

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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.