Home / 31,175.03-46,777.13-18,038.45

Finding the Fourth Proportional to 31,175.03, 46,777.13 and 18,038.45

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Solution

The fourth proportional to 31,175.03, 46,777.13 and 18,038.45 is: 27,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175.03 : 46,777.13 = 18,038.45 : x
  2. Step 2: Convert to fraction form
    31,175.03/46,777.13 = 18,038.45/x
  3. Step 3: Cross multiply
    31,175.03x = 46,777.13 × 18,038.45
  4. Step 4: Simplify right side
    31,175.03x = 843,786,920.65
  5. Step 5: Solve for x
    x = 843,786,920.65/31,175.03
  6. Step 6: Final answer
    x = 27,066.11

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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.