Home / 31,138.02-46,680.84-14,489.58

Finding the Fourth Proportional to 31,138.02, 46,680.84 and 14,489.58

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Solution

The fourth proportional to 31,138.02, 46,680.84 and 14,489.58 is: 21,722.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,138.02 : 46,680.84 = 14,489.58 : x
  2. Step 2: Convert to fraction form
    31,138.02/46,680.84 = 14,489.58/x
  3. Step 3: Cross multiply
    31,138.02x = 46,680.84 × 14,489.58
  4. Step 4: Simplify right side
    31,138.02x = 676,385,765.65
  5. Step 5: Solve for x
    x = 676,385,765.65/31,138.02
  6. Step 6: Final answer
    x = 21,722.18

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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.