Home / 31,290.24-46,936.08-10,513.92

Finding the Fourth Proportional to 31,290.24, 46,936.08 and 10,513.92

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Solution

The fourth proportional to 31,290.24, 46,936.08 and 10,513.92 is: 15,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290.24 : 46,936.08 = 10,513.92 : x
  2. Step 2: Convert to fraction form
    31,290.24/46,936.08 = 10,513.92/x
  3. Step 3: Cross multiply
    31,290.24x = 46,936.08 × 10,513.92
  4. Step 4: Simplify right side
    31,290.24x = 493,482,190.23
  5. Step 5: Solve for x
    x = 493,482,190.23/31,290.24
  6. Step 6: Final answer
    x = 15,771.12

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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.