Home / 31,669.95-47,498-10,612.98

Finding the Fourth Proportional to 31,669.95, 47,498 and 10,612.98

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Solution

The fourth proportional to 31,669.95, 47,498 and 10,612.98 is: 15,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,669.95 : 47,498 = 10,612.98 : x
  2. Step 2: Convert to fraction form
    31,669.95/47,498 = 10,612.98/x
  3. Step 3: Cross multiply
    31,669.95x = 47,498 × 10,612.98
  4. Step 4: Simplify right side
    31,669.95x = 504,095,324.04
  5. Step 5: Solve for x
    x = 504,095,324.04/31,669.95
  6. Step 6: Final answer
    x = 15,917.15

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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.