Home / 31,292.76-46,939.78-11,561.16

Finding the Fourth Proportional to 31,292.76, 46,939.78 and 11,561.16

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Solution

The fourth proportional to 31,292.76, 46,939.78 and 11,561.16 is: 17,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.76 : 46,939.78 = 11,561.16 : x
  2. Step 2: Convert to fraction form
    31,292.76/46,939.78 = 11,561.16/x
  3. Step 3: Cross multiply
    31,292.76x = 46,939.78 × 11,561.16
  4. Step 4: Simplify right side
    31,292.76x = 542,678,306.94
  5. Step 5: Solve for x
    x = 542,678,306.94/31,292.76
  6. Step 6: Final answer
    x = 17,341.98

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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.