Home / 35,078.93-48,422.77-21,655.61

Finding the Fourth Proportional to 35,078.93, 48,422.77 and 21,655.61

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Solution

The fourth proportional to 35,078.93, 48,422.77 and 21,655.61 is: 29,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,078.93 : 48,422.77 = 21,655.61 : x
  2. Step 2: Convert to fraction form
    35,078.93/48,422.77 = 21,655.61/x
  3. Step 3: Cross multiply
    35,078.93x = 48,422.77 × 21,655.61
  4. Step 4: Simplify right side
    35,078.93x = 1,048,624,325.99
  5. Step 5: Solve for x
    x = 1,048,624,325.99/35,078.93
  6. Step 6: Final answer
    x = 29,893.29

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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.