Home / 31,491.34-43,457.96-17,344.18

Finding the Fourth Proportional to 31,491.34, 43,457.96 and 17,344.18

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Solution

The fourth proportional to 31,491.34, 43,457.96 and 17,344.18 is: 23,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,491.34 : 43,457.96 = 17,344.18 : x
  2. Step 2: Convert to fraction form
    31,491.34/43,457.96 = 17,344.18/x
  3. Step 3: Cross multiply
    31,491.34x = 43,457.96 × 17,344.18
  4. Step 4: Simplify right side
    31,491.34x = 753,742,680.67
  5. Step 5: Solve for x
    x = 753,742,680.67/31,491.34
  6. Step 6: Final answer
    x = 23,934.92

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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.