Home / 31,126.39-46,689.56-11,406.49

Finding the Fourth Proportional to 31,126.39, 46,689.56 and 11,406.49

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Solution

The fourth proportional to 31,126.39, 46,689.56 and 11,406.49 is: 17,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126.39 : 46,689.56 = 11,406.49 : x
  2. Step 2: Convert to fraction form
    31,126.39/46,689.56 = 11,406.49/x
  3. Step 3: Cross multiply
    31,126.39x = 46,689.56 × 11,406.49
  4. Step 4: Simplify right side
    31,126.39x = 532,563,999.24
  5. Step 5: Solve for x
    x = 532,563,999.24/31,126.39
  6. Step 6: Final answer
    x = 17,109.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.