Home / 30,680.52-46,011.06-13,132.68

Finding the Fourth Proportional to 30,680.52, 46,011.06 and 13,132.68

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Solution

The fourth proportional to 30,680.52, 46,011.06 and 13,132.68 is: 19,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.52 : 46,011.06 = 13,132.68 : x
  2. Step 2: Convert to fraction form
    30,680.52/46,011.06 = 13,132.68/x
  3. Step 3: Cross multiply
    30,680.52x = 46,011.06 × 13,132.68
  4. Step 4: Simplify right side
    30,680.52x = 604,248,527.44
  5. Step 5: Solve for x
    x = 604,248,527.44/30,680.52
  6. Step 6: Final answer
    x = 19,694.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.