Home / 45,710.65-63,107.94-28,729.27

Finding the Fourth Proportional to 45,710.65, 63,107.94 and 28,729.27

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Solution

The fourth proportional to 45,710.65, 63,107.94 and 28,729.27 is: 39,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,710.65 : 63,107.94 = 28,729.27 : x
  2. Step 2: Convert to fraction form
    45,710.65/63,107.94 = 28,729.27/x
  3. Step 3: Cross multiply
    45,710.65x = 63,107.94 × 28,729.27
  4. Step 4: Simplify right side
    45,710.65x = 1,813,045,047.40
  5. Step 5: Solve for x
    x = 1,813,045,047.40/45,710.65
  6. Step 6: Final answer
    x = 39,663.51

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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.