Home / 31,423.62-43,362.75-17,276.46

Finding the Fourth Proportional to 31,423.62, 43,362.75 and 17,276.46

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Solution

The fourth proportional to 31,423.62, 43,362.75 and 17,276.46 is: 23,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.62 : 43,362.75 = 17,276.46 : x
  2. Step 2: Convert to fraction form
    31,423.62/43,362.75 = 17,276.46/x
  3. Step 3: Cross multiply
    31,423.62x = 43,362.75 × 17,276.46
  4. Step 4: Simplify right side
    31,423.62x = 749,154,815.87
  5. Step 5: Solve for x
    x = 749,154,815.87/31,423.62
  6. Step 6: Final answer
    x = 23,840.50

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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.