Home / 34,083.68-47,043.76-19,741.20

Finding the Fourth Proportional to 34,083.68, 47,043.76 and 19,741.20

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Solution

The fourth proportional to 34,083.68, 47,043.76 and 19,741.20 is: 27,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,083.68 : 47,043.76 = 19,741.20 : x
  2. Step 2: Convert to fraction form
    34,083.68/47,043.76 = 19,741.20/x
  3. Step 3: Cross multiply
    34,083.68x = 47,043.76 × 19,741.20
  4. Step 4: Simplify right side
    34,083.68x = 928,700,039.69
  5. Step 5: Solve for x
    x = 928,700,039.69/34,083.68
  6. Step 6: Final answer
    x = 27,247.65

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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.