Home / 31,604.64-47,420.79-14,976.54

Finding the Fourth Proportional to 31,604.64, 47,420.79 and 14,976.54

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Solution

The fourth proportional to 31,604.64, 47,420.79 and 14,976.54 is: 22,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,604.64 : 47,420.79 = 14,976.54 : x
  2. Step 2: Convert to fraction form
    31,604.64/47,420.79 = 14,976.54/x
  3. Step 3: Cross multiply
    31,604.64x = 47,420.79 × 14,976.54
  4. Step 4: Simplify right side
    31,604.64x = 710,199,358.27
  5. Step 5: Solve for x
    x = 710,199,358.27/31,604.64
  6. Step 6: Final answer
    x = 22,471.36

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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.