Home / 31,020.76-46,535.43-9,955.86

Finding the Fourth Proportional to 31,020.76, 46,535.43 and 9,955.86

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Solution

The fourth proportional to 31,020.76, 46,535.43 and 9,955.86 is: 14,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,020.76 : 46,535.43 = 9,955.86 : x
  2. Step 2: Convert to fraction form
    31,020.76/46,535.43 = 9,955.86/x
  3. Step 3: Cross multiply
    31,020.76x = 46,535.43 × 9,955.86
  4. Step 4: Simplify right side
    31,020.76x = 463,300,226.12
  5. Step 5: Solve for x
    x = 463,300,226.12/31,020.76
  6. Step 6: Final answer
    x = 14,935.17

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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.