Home / 38,123.01-52,609.76-21,356.01

Finding the Fourth Proportional to 38,123.01, 52,609.76 and 21,356.01

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Solution

The fourth proportional to 38,123.01, 52,609.76 and 21,356.01 is: 29,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,123.01 : 52,609.76 = 21,356.01 : x
  2. Step 2: Convert to fraction form
    38,123.01/52,609.76 = 21,356.01/x
  3. Step 3: Cross multiply
    38,123.01x = 52,609.76 × 21,356.01
  4. Step 4: Simplify right side
    38,123.01x = 1,123,534,560.66
  5. Step 5: Solve for x
    x = 1,123,534,560.66/38,123.01
  6. Step 6: Final answer
    x = 29,471.30

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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.