Home / 29,250.75-40,366.59-20,881.83

Finding the Fourth Proportional to 29,250.75, 40,366.59 and 20,881.83

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Solution

The fourth proportional to 29,250.75, 40,366.59 and 20,881.83 is: 28,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,250.75 : 40,366.59 = 20,881.83 : x
  2. Step 2: Convert to fraction form
    29,250.75/40,366.59 = 20,881.83/x
  3. Step 3: Cross multiply
    29,250.75x = 40,366.59 × 20,881.83
  4. Step 4: Simplify right side
    29,250.75x = 842,928,270.06
  5. Step 5: Solve for x
    x = 842,928,270.06/29,250.75
  6. Step 6: Final answer
    x = 28,817.32

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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.