Home / 31,209-46,817.46-11,501.30

Finding the Fourth Proportional to 31,209, 46,817.46 and 11,501.30

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Solution

The fourth proportional to 31,209, 46,817.46 and 11,501.30 is: 17,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209 : 46,817.46 = 11,501.30 : x
  2. Step 2: Convert to fraction form
    31,209/46,817.46 = 11,501.30/x
  3. Step 3: Cross multiply
    31,209x = 46,817.46 × 11,501.30
  4. Step 4: Simplify right side
    31,209x = 538,461,652.70
  5. Step 5: Solve for x
    x = 538,461,652.70/31,209
  6. Step 6: Final answer
    x = 17,253.41

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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.