Home / 31,792.04-43,859.30-19,209.50

Finding the Fourth Proportional to 31,792.04, 43,859.30 and 19,209.50

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Solution

The fourth proportional to 31,792.04, 43,859.30 and 19,209.50 is: 26,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,792.04 : 43,859.30 = 19,209.50 : x
  2. Step 2: Convert to fraction form
    31,792.04/43,859.30 = 19,209.50/x
  3. Step 3: Cross multiply
    31,792.04x = 43,859.30 × 19,209.50
  4. Step 4: Simplify right side
    31,792.04x = 842,515,223.35
  5. Step 5: Solve for x
    x = 842,515,223.35/31,792.04
  6. Step 6: Final answer
    x = 26,500.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.