Home / 57,202.12-78,935.70-33,332.68

Finding the Fourth Proportional to 57,202.12, 78,935.70 and 33,332.68

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Solution

The fourth proportional to 57,202.12, 78,935.70 and 33,332.68 is: 45,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202.12 : 78,935.70 = 33,332.68 : x
  2. Step 2: Convert to fraction form
    57,202.12/78,935.70 = 33,332.68/x
  3. Step 3: Cross multiply
    57,202.12x = 78,935.70 × 33,332.68
  4. Step 4: Simplify right side
    57,202.12x = 2,631,138,428.68
  5. Step 5: Solve for x
    x = 2,631,138,428.68/57,202.12
  6. Step 6: Final answer
    x = 45,997.22

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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.