Home / 31,210.94-46,775.10-16,389.56

Finding the Fourth Proportional to 31,210.94, 46,775.10 and 16,389.56

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Solution

The fourth proportional to 31,210.94, 46,775.10 and 16,389.56 is: 24,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,210.94 : 46,775.10 = 16,389.56 : x
  2. Step 2: Convert to fraction form
    31,210.94/46,775.10 = 16,389.56/x
  3. Step 3: Cross multiply
    31,210.94x = 46,775.10 × 16,389.56
  4. Step 4: Simplify right side
    31,210.94x = 766,623,307.96
  5. Step 5: Solve for x
    x = 766,623,307.96/31,210.94
  6. Step 6: Final answer
    x = 24,562.65

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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.