Home / 31,605.12-43,614.24-17,455.68

Finding the Fourth Proportional to 31,605.12, 43,614.24 and 17,455.68

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Solution

The fourth proportional to 31,605.12, 43,614.24 and 17,455.68 is: 24,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605.12 : 43,614.24 = 17,455.68 : x
  2. Step 2: Convert to fraction form
    31,605.12/43,614.24 = 17,455.68/x
  3. Step 3: Cross multiply
    31,605.12x = 43,614.24 × 17,455.68
  4. Step 4: Simplify right side
    31,605.12x = 761,316,216.88
  5. Step 5: Solve for x
    x = 761,316,216.88/31,605.12
  6. Step 6: Final answer
    x = 24,088.38

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Half scale
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Double scale
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Similar ratio
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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.