Home / 31,491.14-43,457.54-17,343.90

Finding the Fourth Proportional to 31,491.14, 43,457.54 and 17,343.90

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Solution

The fourth proportional to 31,491.14, 43,457.54 and 17,343.90 is: 23,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,491.14 : 43,457.54 = 17,343.90 : x
  2. Step 2: Convert to fraction form
    31,491.14/43,457.54 = 17,343.90/x
  3. Step 3: Cross multiply
    31,491.14x = 43,457.54 × 17,343.90
  4. Step 4: Simplify right side
    31,491.14x = 753,723,228.01
  5. Step 5: Solve for x
    x = 753,723,228.01/31,491.14
  6. Step 6: Final answer
    x = 23,934.45

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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.