Home / 31,426.03-47,131.75-11,713.87

Finding the Fourth Proportional to 31,426.03, 47,131.75 and 11,713.87

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Solution

The fourth proportional to 31,426.03, 47,131.75 and 11,713.87 is: 17,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,426.03 : 47,131.75 = 11,713.87 : x
  2. Step 2: Convert to fraction form
    31,426.03/47,131.75 = 11,713.87/x
  3. Step 3: Cross multiply
    31,426.03x = 47,131.75 × 11,713.87
  4. Step 4: Simplify right side
    31,426.03x = 552,095,192.37
  5. Step 5: Solve for x
    x = 552,095,192.37/31,426.03
  6. Step 6: Final answer
    x = 17,568.09

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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.