Home / 45,758.31-63,143.55-25,611.80

Finding the Fourth Proportional to 45,758.31, 63,143.55 and 25,611.80

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Solution

The fourth proportional to 45,758.31, 63,143.55 and 25,611.80 is: 35,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,758.31 : 63,143.55 = 25,611.80 : x
  2. Step 2: Convert to fraction form
    45,758.31/63,143.55 = 25,611.80/x
  3. Step 3: Cross multiply
    45,758.31x = 63,143.55 × 25,611.80
  4. Step 4: Simplify right side
    45,758.31x = 1,617,219,658.17
  5. Step 5: Solve for x
    x = 1,617,219,658.17/45,758.31
  6. Step 6: Final answer
    x = 35,342.64

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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.