Home / 57,008.32-78,668.58-33,131.14

Finding the Fourth Proportional to 57,008.32, 78,668.58 and 33,131.14

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Solution

The fourth proportional to 57,008.32, 78,668.58 and 33,131.14 is: 45,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,008.32 : 78,668.58 = 33,131.14 : x
  2. Step 2: Convert to fraction form
    57,008.32/78,668.58 = 33,131.14/x
  3. Step 3: Cross multiply
    57,008.32x = 78,668.58 × 33,131.14
  4. Step 4: Simplify right side
    57,008.32x = 2,606,379,737.58
  5. Step 5: Solve for x
    x = 2,606,379,737.58/57,008.32
  6. Step 6: Final answer
    x = 45,719.29

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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.