Home / 30,907.56-46,360.92-21,411.12

Finding the Fourth Proportional to 30,907.56, 46,360.92 and 21,411.12

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Solution

The fourth proportional to 30,907.56, 46,360.92 and 21,411.12 is: 32,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,907.56 : 46,360.92 = 21,411.12 : x
  2. Step 2: Convert to fraction form
    30,907.56/46,360.92 = 21,411.12/x
  3. Step 3: Cross multiply
    30,907.56x = 46,360.92 × 21,411.12
  4. Step 4: Simplify right side
    30,907.56x = 992,639,221.43
  5. Step 5: Solve for x
    x = 992,639,221.43/30,907.56
  6. Step 6: Final answer
    x = 32,116.39

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1.5x scale

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.