Home / 39,810.06-54,940.21-22,819.57

Finding the Fourth Proportional to 39,810.06, 54,940.21 and 22,819.57

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Solution

The fourth proportional to 39,810.06, 54,940.21 and 22,819.57 is: 31,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810.06 : 54,940.21 = 22,819.57 : x
  2. Step 2: Convert to fraction form
    39,810.06/54,940.21 = 22,819.57/x
  3. Step 3: Cross multiply
    39,810.06x = 54,940.21 × 22,819.57
  4. Step 4: Simplify right side
    39,810.06x = 1,253,711,773.51
  5. Step 5: Solve for x
    x = 1,253,711,773.51/39,810.06
  6. Step 6: Final answer
    x = 31,492.34

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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.