Home / 31,041.09-42,836.92-16,894.04

Finding the Fourth Proportional to 31,041.09, 42,836.92 and 16,894.04

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Solution

The fourth proportional to 31,041.09, 42,836.92 and 16,894.04 is: 23,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,041.09 : 42,836.92 = 16,894.04 : x
  2. Step 2: Convert to fraction form
    31,041.09/42,836.92 = 16,894.04/x
  3. Step 3: Cross multiply
    31,041.09x = 42,836.92 × 16,894.04
  4. Step 4: Simplify right side
    31,041.09x = 723,688,383.54
  5. Step 5: Solve for x
    x = 723,688,383.54/31,041.09
  6. Step 6: Final answer
    x = 23,313.88

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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.