Home / 31,890.62-44,003.39-18,461.23

Finding the Fourth Proportional to 31,890.62, 44,003.39 and 18,461.23

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Solution

The fourth proportional to 31,890.62, 44,003.39 and 18,461.23 is: 25,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890.62 : 44,003.39 = 18,461.23 : x
  2. Step 2: Convert to fraction form
    31,890.62/44,003.39 = 18,461.23/x
  3. Step 3: Cross multiply
    31,890.62x = 44,003.39 × 18,461.23
  4. Step 4: Simplify right side
    31,890.62x = 812,356,501.26
  5. Step 5: Solve for x
    x = 812,356,501.26/31,890.62
  6. Step 6: Final answer
    x = 25,473.21

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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.