Home / 31,009.24-46,607.84-20,515.06

Finding the Fourth Proportional to 31,009.24, 46,607.84 and 20,515.06

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Solution

The fourth proportional to 31,009.24, 46,607.84 and 20,515.06 is: 30,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,009.24 : 46,607.84 = 20,515.06 : x
  2. Step 2: Convert to fraction form
    31,009.24/46,607.84 = 20,515.06/x
  3. Step 3: Cross multiply
    31,009.24x = 46,607.84 × 20,515.06
  4. Step 4: Simplify right side
    31,009.24x = 956,162,634.07
  5. Step 5: Solve for x
    x = 956,162,634.07/31,009.24
  6. Step 6: Final answer
    x = 30,834.77

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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.