Home / 34,085.28-47,037.31-18,977.56

Finding the Fourth Proportional to 34,085.28, 47,037.31 and 18,977.56

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Solution

The fourth proportional to 34,085.28, 47,037.31 and 18,977.56 is: 26,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,085.28 : 47,037.31 = 18,977.56 : x
  2. Step 2: Convert to fraction form
    34,085.28/47,037.31 = 18,977.56/x
  3. Step 3: Cross multiply
    34,085.28x = 47,037.31 × 18,977.56
  4. Step 4: Simplify right side
    34,085.28x = 892,653,372.76
  5. Step 5: Solve for x
    x = 892,653,372.76/34,085.28
  6. Step 6: Final answer
    x = 26,188.82

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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.