Home / 31,395.01-47,088.78-10,329.82

Finding the Fourth Proportional to 31,395.01, 47,088.78 and 10,329.82

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Solution

The fourth proportional to 31,395.01, 47,088.78 and 10,329.82 is: 15,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.01 : 47,088.78 = 10,329.82 : x
  2. Step 2: Convert to fraction form
    31,395.01/47,088.78 = 10,329.82/x
  3. Step 3: Cross multiply
    31,395.01x = 47,088.78 × 10,329.82
  4. Step 4: Simplify right side
    31,395.01x = 486,418,798.00
  5. Step 5: Solve for x
    x = 486,418,798.00/31,395.01
  6. Step 6: Final answer
    x = 15,493.51

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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.