Home / 34,085.38-47,037.45-18,977.71

Finding the Fourth Proportional to 34,085.38, 47,037.45 and 18,977.71

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Solution

The fourth proportional to 34,085.38, 47,037.45 and 18,977.71 is: 26,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,085.38 : 47,037.45 = 18,977.71 : x
  2. Step 2: Convert to fraction form
    34,085.38/47,037.45 = 18,977.71/x
  3. Step 3: Cross multiply
    34,085.38x = 47,037.45 × 18,977.71
  4. Step 4: Simplify right side
    34,085.38x = 892,663,085.24
  5. Step 5: Solve for x
    x = 892,663,085.24/34,085.38
  6. Step 6: Final answer
    x = 26,189.03

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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.