Home / 34,687.30-47,870.63-19,574.45

Finding the Fourth Proportional to 34,687.30, 47,870.63 and 19,574.45

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Solution

The fourth proportional to 34,687.30, 47,870.63 and 19,574.45 is: 27,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,687.30 : 47,870.63 = 19,574.45 : x
  2. Step 2: Convert to fraction form
    34,687.30/47,870.63 = 19,574.45/x
  3. Step 3: Cross multiply
    34,687.30x = 47,870.63 × 19,574.45
  4. Step 4: Simplify right side
    34,687.30x = 937,040,965.11
  5. Step 5: Solve for x
    x = 937,040,965.11/34,687.30
  6. Step 6: Final answer
    x = 27,013.95

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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.