Home / 53,905.60-74,384.03-31,251.70

Finding the Fourth Proportional to 53,905.60, 74,384.03 and 31,251.70

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Solution

The fourth proportional to 53,905.60, 74,384.03 and 31,251.70 is: 43,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905.60 : 74,384.03 = 31,251.70 : x
  2. Step 2: Convert to fraction form
    53,905.60/74,384.03 = 31,251.70/x
  3. Step 3: Cross multiply
    53,905.60x = 74,384.03 × 31,251.70
  4. Step 4: Simplify right side
    53,905.60x = 2,324,627,234.09
  5. Step 5: Solve for x
    x = 2,324,627,234.09/53,905.60
  6. Step 6: Final answer
    x = 43,124.04

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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.