Home / 30,721.20-46,070.28-13,182

Finding the Fourth Proportional to 30,721.20, 46,070.28 and 13,182

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Solution

The fourth proportional to 30,721.20, 46,070.28 and 13,182 is: 19,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721.20 : 46,070.28 = 13,182 : x
  2. Step 2: Convert to fraction form
    30,721.20/46,070.28 = 13,182/x
  3. Step 3: Cross multiply
    30,721.20x = 46,070.28 × 13,182
  4. Step 4: Simplify right side
    30,721.20x = 607,298,430.96
  5. Step 5: Solve for x
    x = 607,298,430.96/30,721.20
  6. Step 6: Final answer
    x = 19,768.06

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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.