Home / 46,900.80-70,353.13-13,620.86

Finding the Fourth Proportional to 46,900.80, 70,353.13 and 13,620.86

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Solution

The fourth proportional to 46,900.80, 70,353.13 and 13,620.86 is: 20,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,900.80 : 70,353.13 = 13,620.86 : x
  2. Step 2: Convert to fraction form
    46,900.80/70,353.13 = 13,620.86/x
  3. Step 3: Cross multiply
    46,900.80x = 70,353.13 × 13,620.86
  4. Step 4: Simplify right side
    46,900.80x = 958,270,134.29
  5. Step 5: Solve for x
    x = 958,270,134.29/46,900.80
  6. Step 6: Final answer
    x = 20,431.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.