Home / 31,517.58-43,501.67-19,589.92

Finding the Fourth Proportional to 31,517.58, 43,501.67 and 19,589.92

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Solution

The fourth proportional to 31,517.58, 43,501.67 and 19,589.92 is: 27,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.58 : 43,501.67 = 19,589.92 : x
  2. Step 2: Convert to fraction form
    31,517.58/43,501.67 = 19,589.92/x
  3. Step 3: Cross multiply
    31,517.58x = 43,501.67 × 19,589.92
  4. Step 4: Simplify right side
    31,517.58x = 852,194,235.17
  5. Step 5: Solve for x
    x = 852,194,235.17/31,517.58
  6. Step 6: Final answer
    x = 27,038.70

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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.