Home / 38,036.81-52,493.24-21,269.81

Finding the Fourth Proportional to 38,036.81, 52,493.24 and 21,269.81

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Solution

The fourth proportional to 38,036.81, 52,493.24 and 21,269.81 is: 29,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,036.81 : 52,493.24 = 21,269.81 : x
  2. Step 2: Convert to fraction form
    38,036.81/52,493.24 = 21,269.81/x
  3. Step 3: Cross multiply
    38,036.81x = 52,493.24 × 21,269.81
  4. Step 4: Simplify right side
    38,036.81x = 1,116,521,425.49
  5. Step 5: Solve for x
    x = 1,116,521,425.49/38,036.81
  6. Step 6: Final answer
    x = 29,353.71

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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.