Home / 31,113.27-46,669.81-7,739.71

Finding the Fourth Proportional to 31,113.27, 46,669.81 and 7,739.71

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Solution

The fourth proportional to 31,113.27, 46,669.81 and 7,739.71 is: 11,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,113.27 : 46,669.81 = 7,739.71 : x
  2. Step 2: Convert to fraction form
    31,113.27/46,669.81 = 7,739.71/x
  3. Step 3: Cross multiply
    31,113.27x = 46,669.81 × 7,739.71
  4. Step 4: Simplify right side
    31,113.27x = 361,210,795.16
  5. Step 5: Solve for x
    x = 361,210,795.16/31,113.27
  6. Step 6: Final answer
    x = 11,609.54

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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.