Home / 38,300.79-52,855.56-21,533.79

Finding the Fourth Proportional to 38,300.79, 52,855.56 and 21,533.79

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Solution

The fourth proportional to 38,300.79, 52,855.56 and 21,533.79 is: 29,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,300.79 : 52,855.56 = 21,533.79 : x
  2. Step 2: Convert to fraction form
    38,300.79/52,855.56 = 21,533.79/x
  3. Step 3: Cross multiply
    38,300.79x = 52,855.56 × 21,533.79
  4. Step 4: Simplify right side
    38,300.79x = 1,138,180,529.37
  5. Step 5: Solve for x
    x = 1,138,180,529.37/38,300.79
  6. Step 6: Final answer
    x = 29,716.89

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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.