Home / 40,725.70-56,229-25,435.60

Finding the Fourth Proportional to 40,725.70, 56,229 and 25,435.60

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Solution

The fourth proportional to 40,725.70, 56,229 and 25,435.60 is: 35,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,725.70 : 56,229 = 25,435.60 : x
  2. Step 2: Convert to fraction form
    40,725.70/56,229 = 25,435.60/x
  3. Step 3: Cross multiply
    40,725.70x = 56,229 × 25,435.60
  4. Step 4: Simplify right side
    40,725.70x = 1,430,218,352.40
  5. Step 5: Solve for x
    x = 1,430,218,352.40/40,725.70
  6. Step 6: Final answer
    x = 35,118.32

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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.