Home / 53,028.15-73,178.28-31,819.38

Finding the Fourth Proportional to 53,028.15, 73,178.28 and 31,819.38

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Solution

The fourth proportional to 53,028.15, 73,178.28 and 31,819.38 is: 43,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,028.15 : 73,178.28 = 31,819.38 : x
  2. Step 2: Convert to fraction form
    53,028.15/73,178.28 = 31,819.38/x
  3. Step 3: Cross multiply
    53,028.15x = 73,178.28 × 31,819.38
  4. Step 4: Simplify right side
    53,028.15x = 2,328,487,499.07
  5. Step 5: Solve for x
    x = 2,328,487,499.07/53,028.15
  6. Step 6: Final answer
    x = 43,910.40

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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.