Home / 31,277.75-46,917.50-10,219.10

Finding the Fourth Proportional to 31,277.75, 46,917.50 and 10,219.10

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Solution

The fourth proportional to 31,277.75, 46,917.50 and 10,219.10 is: 15,328.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,277.75 : 46,917.50 = 10,219.10 : x
  2. Step 2: Convert to fraction form
    31,277.75/46,917.50 = 10,219.10/x
  3. Step 3: Cross multiply
    31,277.75x = 46,917.50 × 10,219.10
  4. Step 4: Simplify right side
    31,277.75x = 479,454,338.57
  5. Step 5: Solve for x
    x = 479,454,338.57/31,277.75
  6. Step 6: Final answer
    x = 15,328.93

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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.