Home / 39,775.13-54,889.23-29,611.60

Finding the Fourth Proportional to 39,775.13, 54,889.23 and 29,611.60

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Solution

The fourth proportional to 39,775.13, 54,889.23 and 29,611.60 is: 40,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,775.13 : 54,889.23 = 29,611.60 : x
  2. Step 2: Convert to fraction form
    39,775.13/54,889.23 = 29,611.60/x
  3. Step 3: Cross multiply
    39,775.13x = 54,889.23 × 29,611.60
  4. Step 4: Simplify right side
    39,775.13x = 1,625,357,884.70
  5. Step 5: Solve for x
    x = 1,625,357,884.70/39,775.13
  6. Step 6: Final answer
    x = 40,863.68

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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.