Home / 31,510.85-43,484.87-17,171.46

Finding the Fourth Proportional to 31,510.85, 43,484.87 and 17,171.46

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Solution

The fourth proportional to 31,510.85, 43,484.87 and 17,171.46 is: 23,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.85 : 43,484.87 = 17,171.46 : x
  2. Step 2: Convert to fraction form
    31,510.85/43,484.87 = 17,171.46/x
  3. Step 3: Cross multiply
    31,510.85x = 43,484.87 × 17,171.46
  4. Step 4: Simplify right side
    31,510.85x = 746,698,748.74
  5. Step 5: Solve for x
    x = 746,698,748.74/31,510.85
  6. Step 6: Final answer
    x = 23,696.56

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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.