Home / 31,465.06-47,203.97-10,406.68

Finding the Fourth Proportional to 31,465.06, 47,203.97 and 10,406.68

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Solution

The fourth proportional to 31,465.06, 47,203.97 and 10,406.68 is: 15,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.06 : 47,203.97 = 10,406.68 : x
  2. Step 2: Convert to fraction form
    31,465.06/47,203.97 = 10,406.68/x
  3. Step 3: Cross multiply
    31,465.06x = 47,203.97 × 10,406.68
  4. Step 4: Simplify right side
    31,465.06x = 491,236,440.48
  5. Step 5: Solve for x
    x = 491,236,440.48/31,465.06
  6. Step 6: Final answer
    x = 15,612.13

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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.