Home / 31,729.75-47,594.96-13,004.98

Finding the Fourth Proportional to 31,729.75, 47,594.96 and 13,004.98

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Solution

The fourth proportional to 31,729.75, 47,594.96 and 13,004.98 is: 19,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.75 : 47,594.96 = 13,004.98 : x
  2. Step 2: Convert to fraction form
    31,729.75/47,594.96 = 13,004.98/x
  3. Step 3: Cross multiply
    31,729.75x = 47,594.96 × 13,004.98
  4. Step 4: Simplify right side
    31,729.75x = 618,971,502.90
  5. Step 5: Solve for x
    x = 618,971,502.90/31,729.75
  6. Step 6: Final answer
    x = 19,507.61

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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.