Home / 46,493.91-69,701.67-20,178.81

Finding the Fourth Proportional to 46,493.91, 69,701.67 and 20,178.81

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Solution

The fourth proportional to 46,493.91, 69,701.67 and 20,178.81 is: 30,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,493.91 : 69,701.67 = 20,178.81 : x
  2. Step 2: Convert to fraction form
    46,493.91/69,701.67 = 20,178.81/x
  3. Step 3: Cross multiply
    46,493.91x = 69,701.67 × 20,178.81
  4. Step 4: Simplify right side
    46,493.91x = 1,406,496,755.61
  5. Step 5: Solve for x
    x = 1,406,496,755.61/46,493.91
  6. Step 6: Final answer
    x = 30,251.20

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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.