Home / 31,292.84-46,933.60-12,572.12

Finding the Fourth Proportional to 31,292.84, 46,933.60 and 12,572.12

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Solution

The fourth proportional to 31,292.84, 46,933.60 and 12,572.12 is: 18,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.84 : 46,933.60 = 12,572.12 : x
  2. Step 2: Convert to fraction form
    31,292.84/46,933.60 = 12,572.12/x
  3. Step 3: Cross multiply
    31,292.84x = 46,933.60 × 12,572.12
  4. Step 4: Simplify right side
    31,292.84x = 590,054,851.23
  5. Step 5: Solve for x
    x = 590,054,851.23/31,292.84
  6. Step 6: Final answer
    x = 18,855.91

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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.