Home / 51,905.13-71,628.77-29,251.40

Finding the Fourth Proportional to 51,905.13, 71,628.77 and 29,251.40

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Solution

The fourth proportional to 51,905.13, 71,628.77 and 29,251.40 is: 40,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,905.13 : 71,628.77 = 29,251.40 : x
  2. Step 2: Convert to fraction form
    51,905.13/71,628.77 = 29,251.40/x
  3. Step 3: Cross multiply
    51,905.13x = 71,628.77 × 29,251.40
  4. Step 4: Simplify right side
    51,905.13x = 2,095,241,298.38
  5. Step 5: Solve for x
    x = 2,095,241,298.38/51,905.13
  6. Step 6: Final answer
    x = 40,366.75

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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.