Home / 31,033.38-42,826.95-16,887.18

Finding the Fourth Proportional to 31,033.38, 42,826.95 and 16,887.18

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Solution

The fourth proportional to 31,033.38, 42,826.95 and 16,887.18 is: 23,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,033.38 : 42,826.95 = 16,887.18 : x
  2. Step 2: Convert to fraction form
    31,033.38/42,826.95 = 16,887.18/x
  3. Step 3: Cross multiply
    31,033.38x = 42,826.95 × 16,887.18
  4. Step 4: Simplify right side
    31,033.38x = 723,226,413.50
  5. Step 5: Solve for x
    x = 723,226,413.50/31,033.38
  6. Step 6: Final answer
    x = 23,304.79

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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.