Home / 31,299.28-46,901.76-18,805.60

Finding the Fourth Proportional to 31,299.28, 46,901.76 and 18,805.60

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Solution

The fourth proportional to 31,299.28, 46,901.76 and 18,805.60 is: 28,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.28 : 46,901.76 = 18,805.60 : x
  2. Step 2: Convert to fraction form
    31,299.28/46,901.76 = 18,805.60/x
  3. Step 3: Cross multiply
    31,299.28x = 46,901.76 × 18,805.60
  4. Step 4: Simplify right side
    31,299.28x = 882,015,737.86
  5. Step 5: Solve for x
    x = 882,015,737.86/31,299.28
  6. Step 6: Final answer
    x = 28,180.06

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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.