Home / 31,175.10-46,763.22-10,115.04

Finding the Fourth Proportional to 31,175.10, 46,763.22 and 10,115.04

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Solution

The fourth proportional to 31,175.10, 46,763.22 and 10,115.04 is: 15,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175.10 : 46,763.22 = 10,115.04 : x
  2. Step 2: Convert to fraction form
    31,175.10/46,763.22 = 10,115.04/x
  3. Step 3: Cross multiply
    31,175.10x = 46,763.22 × 10,115.04
  4. Step 4: Simplify right side
    31,175.10x = 473,011,840.83
  5. Step 5: Solve for x
    x = 473,011,840.83/31,175.10
  6. Step 6: Final answer
    x = 15,172.74

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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.