Home / 31,137.77-42,971.09-17,710.97

Finding the Fourth Proportional to 31,137.77, 42,971.09 and 17,710.97

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Solution

The fourth proportional to 31,137.77, 42,971.09 and 17,710.97 is: 24,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,137.77 : 42,971.09 = 17,710.97 : x
  2. Step 2: Convert to fraction form
    31,137.77/42,971.09 = 17,710.97/x
  3. Step 3: Cross multiply
    31,137.77x = 42,971.09 × 17,710.97
  4. Step 4: Simplify right side
    31,137.77x = 761,059,382.45
  5. Step 5: Solve for x
    x = 761,059,382.45/31,137.77
  6. Step 6: Final answer
    x = 24,441.68

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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.