Home / 29,513.75-40,937.55-28,449.81

Finding the Fourth Proportional to 29,513.75, 40,937.55 and 28,449.81

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Solution

The fourth proportional to 29,513.75, 40,937.55 and 28,449.81 is: 39,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,513.75 : 40,937.55 = 28,449.81 : x
  2. Step 2: Convert to fraction form
    29,513.75/40,937.55 = 28,449.81/x
  3. Step 3: Cross multiply
    29,513.75x = 40,937.55 × 28,449.81
  4. Step 4: Simplify right side
    29,513.75x = 1,164,665,519.37
  5. Step 5: Solve for x
    x = 1,164,665,519.37/29,513.75
  6. Step 6: Final answer
    x = 39,461.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.