Home / 31,156.68-46,725.03-13,382.53

Finding the Fourth Proportional to 31,156.68, 46,725.03 and 13,382.53

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Solution

The fourth proportional to 31,156.68, 46,725.03 and 13,382.53 is: 20,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,156.68 : 46,725.03 = 13,382.53 : x
  2. Step 2: Convert to fraction form
    31,156.68/46,725.03 = 13,382.53/x
  3. Step 3: Cross multiply
    31,156.68x = 46,725.03 × 13,382.53
  4. Step 4: Simplify right side
    31,156.68x = 625,298,998.91
  5. Step 5: Solve for x
    x = 625,298,998.91/31,156.68
  6. Step 6: Final answer
    x = 20,069.50

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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.