Home / 31,279.92-46,914.90-10,219.77

Finding the Fourth Proportional to 31,279.92, 46,914.90 and 10,219.77

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Solution

The fourth proportional to 31,279.92, 46,914.90 and 10,219.77 is: 15,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,279.92 : 46,914.90 = 10,219.77 : x
  2. Step 2: Convert to fraction form
    31,279.92/46,914.90 = 10,219.77/x
  3. Step 3: Cross multiply
    31,279.92x = 46,914.90 × 10,219.77
  4. Step 4: Simplify right side
    31,279.92x = 479,459,487.57
  5. Step 5: Solve for x
    x = 479,459,487.57/31,279.92
  6. Step 6: Final answer
    x = 15,328.03

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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.