Home / 31,006.40-46,529.40-11,283.20

Finding the Fourth Proportional to 31,006.40, 46,529.40 and 11,283.20

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Solution

The fourth proportional to 31,006.40, 46,529.40 and 11,283.20 is: 16,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,006.40 : 46,529.40 = 11,283.20 : x
  2. Step 2: Convert to fraction form
    31,006.40/46,529.40 = 11,283.20/x
  3. Step 3: Cross multiply
    31,006.40x = 46,529.40 × 11,283.20
  4. Step 4: Simplify right side
    31,006.40x = 525,000,526.08
  5. Step 5: Solve for x
    x = 525,000,526.08/31,006.40
  6. Step 6: Final answer
    x = 16,932.01

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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.