Home / 30,774.17-46,128.29-21,982.43

Finding the Fourth Proportional to 30,774.17, 46,128.29 and 21,982.43

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Solution

The fourth proportional to 30,774.17, 46,128.29 and 21,982.43 is: 32,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,774.17 : 46,128.29 = 21,982.43 : x
  2. Step 2: Convert to fraction form
    30,774.17/46,128.29 = 21,982.43/x
  3. Step 3: Cross multiply
    30,774.17x = 46,128.29 × 21,982.43
  4. Step 4: Simplify right side
    30,774.17x = 1,014,011,565.39
  5. Step 5: Solve for x
    x = 1,014,011,565.39/30,774.17
  6. Step 6: Final answer
    x = 32,950.09

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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.