Home / 39,944.37-55,123.01-21,795.08

Finding the Fourth Proportional to 39,944.37, 55,123.01 and 21,795.08

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Solution

The fourth proportional to 39,944.37, 55,123.01 and 21,795.08 is: 30,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,944.37 : 55,123.01 = 21,795.08 : x
  2. Step 2: Convert to fraction form
    39,944.37/55,123.01 = 21,795.08/x
  3. Step 3: Cross multiply
    39,944.37x = 55,123.01 × 21,795.08
  4. Step 4: Simplify right side
    39,944.37x = 1,201,410,697.63
  5. Step 5: Solve for x
    x = 1,201,410,697.63/39,944.37
  6. Step 6: Final answer
    x = 30,077.10

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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.