Home / 31,448.21-47,170.77-11,725.22

Finding the Fourth Proportional to 31,448.21, 47,170.77 and 11,725.22

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Solution

The fourth proportional to 31,448.21, 47,170.77 and 11,725.22 is: 17,587.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.21 : 47,170.77 = 11,725.22 : x
  2. Step 2: Convert to fraction form
    31,448.21/47,170.77 = 11,725.22/x
  3. Step 3: Cross multiply
    31,448.21x = 47,170.77 × 11,725.22
  4. Step 4: Simplify right side
    31,448.21x = 553,087,882.87
  5. Step 5: Solve for x
    x = 553,087,882.87/31,448.21
  6. Step 6: Final answer
    x = 17,587.26

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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.