Home / 45,782.20-63,185.52-25,640.20

Finding the Fourth Proportional to 45,782.20, 63,185.52 and 25,640.20

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Solution

The fourth proportional to 45,782.20, 63,185.52 and 25,640.20 is: 35,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,782.20 : 63,185.52 = 25,640.20 : x
  2. Step 2: Convert to fraction form
    45,782.20/63,185.52 = 25,640.20/x
  3. Step 3: Cross multiply
    45,782.20x = 63,185.52 × 25,640.20
  4. Step 4: Simplify right side
    45,782.20x = 1,620,089,369.90
  5. Step 5: Solve for x
    x = 1,620,089,369.90/45,782.20
  6. Step 6: Final answer
    x = 35,386.88

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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.