Home / 31,605.21-43,616.93-17,457.75

Finding the Fourth Proportional to 31,605.21, 43,616.93 and 17,457.75

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Solution

The fourth proportional to 31,605.21, 43,616.93 and 17,457.75 is: 24,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605.21 : 43,616.93 = 17,457.75 : x
  2. Step 2: Convert to fraction form
    31,605.21/43,616.93 = 17,457.75/x
  3. Step 3: Cross multiply
    31,605.21x = 43,616.93 × 17,457.75
  4. Step 4: Simplify right side
    31,605.21x = 761,453,285.27
  5. Step 5: Solve for x
    x = 761,453,285.27/31,605.21
  6. Step 6: Final answer
    x = 24,092.65

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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.