Home / 34,603.12-47,752.32-18,687.58

Finding the Fourth Proportional to 34,603.12, 47,752.32 and 18,687.58

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Solution

The fourth proportional to 34,603.12, 47,752.32 and 18,687.58 is: 25,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,603.12 : 47,752.32 = 18,687.58 : x
  2. Step 2: Convert to fraction form
    34,603.12/47,752.32 = 18,687.58/x
  3. Step 3: Cross multiply
    34,603.12x = 47,752.32 × 18,687.58
  4. Step 4: Simplify right side
    34,603.12x = 892,375,300.19
  5. Step 5: Solve for x
    x = 892,375,300.19/34,603.12
  6. Step 6: Final answer
    x = 25,788.87

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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.