Home / 31,379.04-43,302.90-17,039.16

Finding the Fourth Proportional to 31,379.04, 43,302.90 and 17,039.16

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Solution

The fourth proportional to 31,379.04, 43,302.90 and 17,039.16 is: 23,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,379.04 : 43,302.90 = 17,039.16 : x
  2. Step 2: Convert to fraction form
    31,379.04/43,302.90 = 17,039.16/x
  3. Step 3: Cross multiply
    31,379.04x = 43,302.90 × 17,039.16
  4. Step 4: Simplify right side
    31,379.04x = 737,845,041.56
  5. Step 5: Solve for x
    x = 737,845,041.56/31,379.04
  6. Step 6: Final answer
    x = 23,513.95

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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.