Home / 57,010.32-78,700.68-33,128.28

Finding the Fourth Proportional to 57,010.32, 78,700.68 and 33,128.28

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Solution

The fourth proportional to 57,010.32, 78,700.68 and 33,128.28 is: 45,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,010.32 : 78,700.68 = 33,128.28 : x
  2. Step 2: Convert to fraction form
    57,010.32/78,700.68 = 33,128.28/x
  3. Step 3: Cross multiply
    57,010.32x = 78,700.68 × 33,128.28
  4. Step 4: Simplify right side
    57,010.32x = 2,607,218,163.23
  5. Step 5: Solve for x
    x = 2,607,218,163.23/57,010.32
  6. Step 6: Final answer
    x = 45,732.39

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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.