Home / 31,605.14-43,613.70-17,457.68

Finding the Fourth Proportional to 31,605.14, 43,613.70 and 17,457.68

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Solution

The fourth proportional to 31,605.14, 43,613.70 and 17,457.68 is: 24,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605.14 : 43,613.70 = 17,457.68 : x
  2. Step 2: Convert to fraction form
    31,605.14/43,613.70 = 17,457.68/x
  3. Step 3: Cross multiply
    31,605.14x = 43,613.70 × 17,457.68
  4. Step 4: Simplify right side
    31,605.14x = 761,394,018.22
  5. Step 5: Solve for x
    x = 761,394,018.22/31,605.14
  6. Step 6: Final answer
    x = 24,090.83

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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.