Home / 38,273.81-52,811.48-21,277.58

Finding the Fourth Proportional to 38,273.81, 52,811.48 and 21,277.58

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Solution

The fourth proportional to 38,273.81, 52,811.48 and 21,277.58 is: 29,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,273.81 : 52,811.48 = 21,277.58 : x
  2. Step 2: Convert to fraction form
    38,273.81/52,811.48 = 21,277.58/x
  3. Step 3: Cross multiply
    38,273.81x = 52,811.48 × 21,277.58
  4. Step 4: Simplify right side
    38,273.81x = 1,123,700,384.23
  5. Step 5: Solve for x
    x = 1,123,700,384.23/38,273.81
  6. Step 6: Final answer
    x = 29,359.51

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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.