Home / 31,211.65-46,791.15-14,562.91

Finding the Fourth Proportional to 31,211.65, 46,791.15 and 14,562.91

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Solution

The fourth proportional to 31,211.65, 46,791.15 and 14,562.91 is: 21,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.65 : 46,791.15 = 14,562.91 : x
  2. Step 2: Convert to fraction form
    31,211.65/46,791.15 = 14,562.91/x
  3. Step 3: Cross multiply
    31,211.65x = 46,791.15 × 14,562.91
  4. Step 4: Simplify right side
    31,211.65x = 681,415,306.25
  5. Step 5: Solve for x
    x = 681,415,306.25/31,211.65
  6. Step 6: Final answer
    x = 21,832.08

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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.