Home / 38,300.63-52,854.89-21,533.63

Finding the Fourth Proportional to 38,300.63, 52,854.89 and 21,533.63

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Solution

The fourth proportional to 38,300.63, 52,854.89 and 21,533.63 is: 29,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,300.63 : 52,854.89 = 21,533.63 : x
  2. Step 2: Convert to fraction form
    38,300.63/52,854.89 = 21,533.63/x
  3. Step 3: Cross multiply
    38,300.63x = 52,854.89 × 21,533.63
  4. Step 4: Simplify right side
    38,300.63x = 1,138,157,273.01
  5. Step 5: Solve for x
    x = 1,138,157,273.01/38,300.63
  6. Step 6: Final answer
    x = 29,716.42

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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.