Home / 31,381.99-43,307.30-17,041.84

Finding the Fourth Proportional to 31,381.99, 43,307.30 and 17,041.84

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Solution

The fourth proportional to 31,381.99, 43,307.30 and 17,041.84 is: 23,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381.99 : 43,307.30 = 17,041.84 : x
  2. Step 2: Convert to fraction form
    31,381.99/43,307.30 = 17,041.84/x
  3. Step 3: Cross multiply
    31,381.99x = 43,307.30 × 17,041.84
  4. Step 4: Simplify right side
    31,381.99x = 738,036,011.77
  5. Step 5: Solve for x
    x = 738,036,011.77/31,381.99
  6. Step 6: Final answer
    x = 23,517.82

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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.