Home / 31,220.27-46,818.08-12,496.82

Finding the Fourth Proportional to 31,220.27, 46,818.08 and 12,496.82

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Solution

The fourth proportional to 31,220.27, 46,818.08 and 12,496.82 is: 18,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.27 : 46,818.08 = 12,496.82 : x
  2. Step 2: Convert to fraction form
    31,220.27/46,818.08 = 12,496.82/x
  3. Step 3: Cross multiply
    31,220.27x = 46,818.08 × 12,496.82
  4. Step 4: Simplify right side
    31,220.27x = 585,077,118.51
  5. Step 5: Solve for x
    x = 585,077,118.51/31,220.27
  6. Step 6: Final answer
    x = 18,740.30

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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.