Home / 31,282.84-46,918.59-12,562.12

Finding the Fourth Proportional to 31,282.84, 46,918.59 and 12,562.12

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Solution

The fourth proportional to 31,282.84, 46,918.59 and 12,562.12 is: 18,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.84 : 46,918.59 = 12,562.12 : x
  2. Step 2: Convert to fraction form
    31,282.84/46,918.59 = 12,562.12/x
  3. Step 3: Cross multiply
    31,282.84x = 46,918.59 × 12,562.12
  4. Step 4: Simplify right side
    31,282.84x = 589,396,957.81
  5. Step 5: Solve for x
    x = 589,396,957.81/31,282.84
  6. Step 6: Final answer
    x = 18,840.90

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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.