Home / 49,588.62-68,412.51-31,678.98

Finding the Fourth Proportional to 49,588.62, 68,412.51 and 31,678.98

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Solution

The fourth proportional to 49,588.62, 68,412.51 and 31,678.98 is: 43,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,588.62 : 68,412.51 = 31,678.98 : x
  2. Step 2: Convert to fraction form
    49,588.62/68,412.51 = 31,678.98/x
  3. Step 3: Cross multiply
    49,588.62x = 68,412.51 × 31,678.98
  4. Step 4: Simplify right side
    49,588.62x = 2,167,238,536.04
  5. Step 5: Solve for x
    x = 2,167,238,536.04/49,588.62
  6. Step 6: Final answer
    x = 43,704.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.