Home / 31,399.74-47,106.54-10,346.27

Finding the Fourth Proportional to 31,399.74, 47,106.54 and 10,346.27

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Solution

The fourth proportional to 31,399.74, 47,106.54 and 10,346.27 is: 15,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.74 : 47,106.54 = 10,346.27 : x
  2. Step 2: Convert to fraction form
    31,399.74/47,106.54 = 10,346.27/x
  3. Step 3: Cross multiply
    31,399.74x = 47,106.54 × 10,346.27
  4. Step 4: Simplify right side
    31,399.74x = 487,376,981.61
  5. Step 5: Solve for x
    x = 487,376,981.61/31,399.74
  6. Step 6: Final answer
    x = 15,521.69

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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.