Home / 31,215.04-46,763.17-18,537.93

Finding the Fourth Proportional to 31,215.04, 46,763.17 and 18,537.93

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Solution

The fourth proportional to 31,215.04, 46,763.17 and 18,537.93 is: 27,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215.04 : 46,763.17 = 18,537.93 : x
  2. Step 2: Convert to fraction form
    31,215.04/46,763.17 = 18,537.93/x
  3. Step 3: Cross multiply
    31,215.04x = 46,763.17 × 18,537.93
  4. Step 4: Simplify right side
    31,215.04x = 866,892,429.97
  5. Step 5: Solve for x
    x = 866,892,429.97/31,215.04
  6. Step 6: Final answer
    x = 27,771.63

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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.