Home / 31,209.02-46,813.59-7,835.46

Finding the Fourth Proportional to 31,209.02, 46,813.59 and 7,835.46

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Solution

The fourth proportional to 31,209.02, 46,813.59 and 7,835.46 is: 11,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209.02 : 46,813.59 = 7,835.46 : x
  2. Step 2: Convert to fraction form
    31,209.02/46,813.59 = 7,835.46/x
  3. Step 3: Cross multiply
    31,209.02x = 46,813.59 × 7,835.46
  4. Step 4: Simplify right side
    31,209.02x = 366,806,011.90
  5. Step 5: Solve for x
    x = 366,806,011.90/31,209.02
  6. Step 6: Final answer
    x = 11,753.21

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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.