Home / 31,282.17-43,169.06-16,941.77

Finding the Fourth Proportional to 31,282.17, 43,169.06 and 16,941.77

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Solution

The fourth proportional to 31,282.17, 43,169.06 and 16,941.77 is: 23,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.17 : 43,169.06 = 16,941.77 : x
  2. Step 2: Convert to fraction form
    31,282.17/43,169.06 = 16,941.77/x
  3. Step 3: Cross multiply
    31,282.17x = 43,169.06 × 16,941.77
  4. Step 4: Simplify right side
    31,282.17x = 731,359,985.08
  5. Step 5: Solve for x
    x = 731,359,985.08/31,282.17
  6. Step 6: Final answer
    x = 23,379.45

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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.