Home / 31,650.95-43,677.70-17,310.40

Finding the Fourth Proportional to 31,650.95, 43,677.70 and 17,310.40

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Solution

The fourth proportional to 31,650.95, 43,677.70 and 17,310.40 is: 23,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,650.95 : 43,677.70 = 17,310.40 : x
  2. Step 2: Convert to fraction form
    31,650.95/43,677.70 = 17,310.40/x
  3. Step 3: Cross multiply
    31,650.95x = 43,677.70 × 17,310.40
  4. Step 4: Simplify right side
    31,650.95x = 756,078,305.61
  5. Step 5: Solve for x
    x = 756,078,305.61/31,650.95
  6. Step 6: Final answer
    x = 23,888.01

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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.