Home / 31,472.10-47,208.77-11,746.72

Finding the Fourth Proportional to 31,472.10, 47,208.77 and 11,746.72

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Solution

The fourth proportional to 31,472.10, 47,208.77 and 11,746.72 is: 17,620.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472.10 : 47,208.77 = 11,746.72 : x
  2. Step 2: Convert to fraction form
    31,472.10/47,208.77 = 11,746.72/x
  3. Step 3: Cross multiply
    31,472.10x = 47,208.77 × 11,746.72
  4. Step 4: Simplify right side
    31,472.10x = 554,548,202.73
  5. Step 5: Solve for x
    x = 554,548,202.73/31,472.10
  6. Step 6: Final answer
    x = 17,620.31

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1.5x scale

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.