Home / 34,602.45-47,751.38-18,686.90

Finding the Fourth Proportional to 34,602.45, 47,751.38 and 18,686.90

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Solution

The fourth proportional to 34,602.45, 47,751.38 and 18,686.90 is: 25,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,602.45 : 47,751.38 = 18,686.90 : x
  2. Step 2: Convert to fraction form
    34,602.45/47,751.38 = 18,686.90/x
  3. Step 3: Cross multiply
    34,602.45x = 47,751.38 × 18,686.90
  4. Step 4: Simplify right side
    34,602.45x = 892,325,464.06
  5. Step 5: Solve for x
    x = 892,325,464.06/34,602.45
  6. Step 6: Final answer
    x = 25,787.93

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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.