Home / 38,357.81-52,932.35-21,362.75

Finding the Fourth Proportional to 38,357.81, 52,932.35 and 21,362.75

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Solution

The fourth proportional to 38,357.81, 52,932.35 and 21,362.75 is: 29,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,357.81 : 52,932.35 = 21,362.75 : x
  2. Step 2: Convert to fraction form
    38,357.81/52,932.35 = 21,362.75/x
  3. Step 3: Cross multiply
    38,357.81x = 52,932.35 × 21,362.75
  4. Step 4: Simplify right side
    38,357.81x = 1,130,780,453.15
  5. Step 5: Solve for x
    x = 1,130,780,453.15/38,357.81
  6. Step 6: Final answer
    x = 29,479.80

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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.