Home / 36,890.92-55,391.74-21,113.76

Finding the Fourth Proportional to 36,890.92, 55,391.74 and 21,113.76

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Solution

The fourth proportional to 36,890.92, 55,391.74 and 21,113.76 is: 31,702.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,890.92 : 55,391.74 = 21,113.76 : x
  2. Step 2: Convert to fraction form
    36,890.92/55,391.74 = 21,113.76/x
  3. Step 3: Cross multiply
    36,890.92x = 55,391.74 × 21,113.76
  4. Step 4: Simplify right side
    36,890.92x = 1,169,528,059.28
  5. Step 5: Solve for x
    x = 1,169,528,059.28/36,890.92
  6. Step 6: Final answer
    x = 31,702.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.