Home / 31,083.13-42,894.12-16,935.67

Finding the Fourth Proportional to 31,083.13, 42,894.12 and 16,935.67

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Solution

The fourth proportional to 31,083.13, 42,894.12 and 16,935.67 is: 23,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,083.13 : 42,894.12 = 16,935.67 : x
  2. Step 2: Convert to fraction form
    31,083.13/42,894.12 = 16,935.67/x
  3. Step 3: Cross multiply
    31,083.13x = 42,894.12 × 16,935.67
  4. Step 4: Simplify right side
    31,083.13x = 726,440,661.26
  5. Step 5: Solve for x
    x = 726,440,661.26/31,083.13
  6. Step 6: Final answer
    x = 23,370.90

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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.