Home / 31,286.76-46,935.25-10,220.68

Finding the Fourth Proportional to 31,286.76, 46,935.25 and 10,220.68

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Solution

The fourth proportional to 31,286.76, 46,935.25 and 10,220.68 is: 15,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,286.76 : 46,935.25 = 10,220.68 : x
  2. Step 2: Convert to fraction form
    31,286.76/46,935.25 = 10,220.68/x
  3. Step 3: Cross multiply
    31,286.76x = 46,935.25 × 10,220.68
  4. Step 4: Simplify right side
    31,286.76x = 479,710,204.09
  5. Step 5: Solve for x
    x = 479,710,204.09/31,286.76
  6. Step 6: Final answer
    x = 15,332.69

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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.