Home / 42,039.06-57,981.09-26,933.12

Finding the Fourth Proportional to 42,039.06, 57,981.09 and 26,933.12

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Solution

The fourth proportional to 42,039.06, 57,981.09 and 26,933.12 is: 37,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,039.06 : 57,981.09 = 26,933.12 : x
  2. Step 2: Convert to fraction form
    42,039.06/57,981.09 = 26,933.12/x
  3. Step 3: Cross multiply
    42,039.06x = 57,981.09 × 26,933.12
  4. Step 4: Simplify right side
    42,039.06x = 1,561,611,375.08
  5. Step 5: Solve for x
    x = 1,561,611,375.08/42,039.06
  6. Step 6: Final answer
    x = 37,146.67

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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.