Home / 31,187.12-43,038.23-16,846.95

Finding the Fourth Proportional to 31,187.12, 43,038.23 and 16,846.95

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Solution

The fourth proportional to 31,187.12, 43,038.23 and 16,846.95 is: 23,248.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187.12 : 43,038.23 = 16,846.95 : x
  2. Step 2: Convert to fraction form
    31,187.12/43,038.23 = 16,846.95/x
  3. Step 3: Cross multiply
    31,187.12x = 43,038.23 × 16,846.95
  4. Step 4: Simplify right side
    31,187.12x = 725,062,804.54
  5. Step 5: Solve for x
    x = 725,062,804.54/31,187.12
  6. Step 6: Final answer
    x = 23,248.79

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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.