Home / 29,455.36-40,643.68-16,877.76

Finding the Fourth Proportional to 29,455.36, 40,643.68 and 16,877.76

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Solution

The fourth proportional to 29,455.36, 40,643.68 and 16,877.76 is: 23,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,455.36 : 40,643.68 = 16,877.76 : x
  2. Step 2: Convert to fraction form
    29,455.36/40,643.68 = 16,877.76/x
  3. Step 3: Cross multiply
    29,455.36x = 40,643.68 × 16,877.76
  4. Step 4: Simplify right side
    29,455.36x = 685,974,276.56
  5. Step 5: Solve for x
    x = 685,974,276.56/29,455.36
  6. Step 6: Final answer
    x = 23,288.61

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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.