Home / 40,878.21-56,402.07-23,872.80

Finding the Fourth Proportional to 40,878.21, 56,402.07 and 23,872.80

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Solution

The fourth proportional to 40,878.21, 56,402.07 and 23,872.80 is: 32,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,878.21 : 56,402.07 = 23,872.80 : x
  2. Step 2: Convert to fraction form
    40,878.21/56,402.07 = 23,872.80/x
  3. Step 3: Cross multiply
    40,878.21x = 56,402.07 × 23,872.80
  4. Step 4: Simplify right side
    40,878.21x = 1,346,475,336.70
  5. Step 5: Solve for x
    x = 1,346,475,336.70/40,878.21
  6. Step 6: Final answer
    x = 32,938.71

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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.