Home / 45,889.09-68,819.05-31,192.45

Finding the Fourth Proportional to 45,889.09, 68,819.05 and 31,192.45

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Solution

The fourth proportional to 45,889.09, 68,819.05 and 31,192.45 is: 46,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,889.09 : 68,819.05 = 31,192.45 : x
  2. Step 2: Convert to fraction form
    45,889.09/68,819.05 = 31,192.45/x
  3. Step 3: Cross multiply
    45,889.09x = 68,819.05 × 31,192.45
  4. Step 4: Simplify right side
    45,889.09x = 2,146,634,776.17
  5. Step 5: Solve for x
    x = 2,146,634,776.17/45,889.09
  6. Step 6: Final answer
    x = 46,778.76

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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.