Home / 31,121.01-46,666.93-11,385.76

Finding the Fourth Proportional to 31,121.01, 46,666.93 and 11,385.76

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Solution

The fourth proportional to 31,121.01, 46,666.93 and 11,385.76 is: 17,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121.01 : 46,666.93 = 11,385.76 : x
  2. Step 2: Convert to fraction form
    31,121.01/46,666.93 = 11,385.76/x
  3. Step 3: Cross multiply
    31,121.01x = 46,666.93 × 11,385.76
  4. Step 4: Simplify right side
    31,121.01x = 531,338,464.92
  5. Step 5: Solve for x
    x = 531,338,464.92/31,121.01
  6. Step 6: Final answer
    x = 17,073.30

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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.