Home / 34,955.76-48,238.56-20,808.84

Finding the Fourth Proportional to 34,955.76, 48,238.56 and 20,808.84

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Solution

The fourth proportional to 34,955.76, 48,238.56 and 20,808.84 is: 28,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,955.76 : 48,238.56 = 20,808.84 : x
  2. Step 2: Convert to fraction form
    34,955.76/48,238.56 = 20,808.84/x
  3. Step 3: Cross multiply
    34,955.76x = 48,238.56 × 20,808.84
  4. Step 4: Simplify right side
    34,955.76x = 1,003,788,476.87
  5. Step 5: Solve for x
    x = 1,003,788,476.87/34,955.76
  6. Step 6: Final answer
    x = 28,715.97

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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.