Home / 48,357.99-66,717.68-31,383.50

Finding the Fourth Proportional to 48,357.99, 66,717.68 and 31,383.50

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Solution

The fourth proportional to 48,357.99, 66,717.68 and 31,383.50 is: 43,298.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,357.99 : 66,717.68 = 31,383.50 : x
  2. Step 2: Convert to fraction form
    48,357.99/66,717.68 = 31,383.50/x
  3. Step 3: Cross multiply
    48,357.99x = 66,717.68 × 31,383.50
  4. Step 4: Simplify right side
    48,357.99x = 2,093,833,819.77
  5. Step 5: Solve for x
    x = 2,093,833,819.77/48,357.99
  6. Step 6: Final answer
    x = 43,298.61

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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.